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Living in Maryville

In July 2026, Maryville is a city in the United States, with a population of 32,392. There were 279 physicians per 100,000 residents in 2026. The city had 7 schools in 2026. In July 2026, median gross rent was US$1,157 per month and the median home value was US$358,100.

Last checked 2026-09-1934 sources

Population32,442people31 Dec 2025Official source · U.S. Census Bureau, Population Estimates Program
Median gross salary3,250EUR/month31 Dec 2024Community source · Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)
Median rent1,017EUR/month31 Dec 2024Independent source · Census Reporter mirror of ACS 2024 5-year tables
Unemployment rate2.96%31 Dec 2024Independent source · Census Reporter mirror of ACS 2024 5-year tables
Recorded crime638.4offences per 100,000country median 1,586 — 60% belowOfficial source · FBI Crime Data Explorer / Uniform Crime Reporting
PM2.5, annual mean6.84µg/m³country median 7.0 — 3% belowOfficial source · EPA AQS annual PM2.5 monitor data 2024

Which United States-wide rules apply when you move to Maryville?

National rules stay on the country page instead of being relabelled as city data.

Housing and cost

Owner occupation was 67.5%, and the vacancy rate was 5.38% in July 2026. 46.3% of renter households spent at least 30% of income on housing in July 2026.

What recurs every month2 published recurring costs, € per month
Maryville recurring monthly costs, € per month

€ / month

Internet, 60 Mbps€60
Mobile plan, 10 GB€22
MetricValuePeriodSource
Internet, 60 Mbps unlimited60.38 EUR/month30 Sept 2026Verizon 300 Mbps home internet25Official · national market
Mobile plan, 10 GB21.57 EUR/month30 Sept 2026Visible unlimited mobile plan26Official · national market
Median gross rent$1,157/month4 Jul 2026ACS median gross rent5Official
Households spending over 30% of income on rent46.29 %4 Jul 2026ACS median gross rent5Official
Housing vacancy rate (legacy series)5.38 %4 Jul 2026ACS median gross rent5Official
Property crime per 100,000 residents1,574 per 100,000 people1 Jul 2026FBI CDE/UCR crime statistics13Official source, approximated value · Supplemental context · agency service area
Average monthly rent (whole dwelling)1,168 EUR/month31 Dec 2020ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent)3Official
Median monthly rent1,017 EUR/month31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables30Supplemental estimate · Supplemental context
Recorded property crimes231 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)14Official

Is Maryville a good place to live?

There is no universal answer. The profile scores below show who the available published evidence may suit; they are a decision aid, not a personal recommendation.

Try your profile
Remote worker51%strong on work, weak on legal route · range 43–59%
Skilled employee56%strong on work, weak on safety · range 47–65%
Student51%strong on education, weak on work · range 41–61%
Family55%strong on family, weak on cost · range 46–64%
Retirement51%strong on safety, weak on admin · range 41–61%

Worked out from these numbers

How international is the population?

4.5% of residents hold a foreign nationality — 1,444 of 32,442 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.

Uses a supplemental estimate, so treat it as indicative.

Work and income

Median household income was US$81,963 a year in July 2026.

Unemployment across cities in United StatesUnemployment in Maryville is 3.0%. Of 2,153 cities with data, 1,250 have unemployment of 0 to under 5%.

Unemployment rate (%)

MetricValuePeriodSource
Median household income81,963 USD/year4 Jul 2026ACS total population6Official
Households with cable, fibre or DSL broadband77.71 %4 Jul 2026ACS total population6Official
Households with a broadband subscription91.5 %4 Jul 2026ACS total population6Official
Households with internet but no subscription1 %4 Jul 2026ACS total population6Official
Households without internet7.39 %4 Jul 2026ACS total population6Official
Households with satellite internet4.43 %4 Jul 2026ACS total population6Official
Median gross salary3,250 EUR/month31 Dec 2024Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)29Community estimate · Supplemental context
Median gross salary (regional)3,479 EUR/month31 Dec 2025www.bls.gov28Official
Unemployment rate2.96 %31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables30Supplemental estimate · Supplemental context

What does a salary buy in Maryville?

Take-home pay after tax, minus rent and the everyday bills this city publishes. Each line names its source.

regional median gross pay: €3,479 (US Bureau of Labor Statistics, 2025-12-31).
Left over each month€1,487of €2,737 take-home
  • Rent
  • Internet
  • Mobile
  • Left over
Line-by-line breakdown and sources
Each month€
Take-home payOECD Taxing Wages 2025, single, no children. Includes central and local income tax and employee social contributions; euro amounts at the ECB average for 2026-08.€2,737
Rentaverage rent of a whole dwelling · official · ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent) · 2020-12-31− €1,168
Internet€60 · official · Verizon 300 Mbps home internet · 2026-09-30− €60
Mobile plan€22 · official · Visible unlimited mobile plan · 2026-09-30− €22
Other everyday billsnot published for this city: public transport pass, utilities—
Left overbefore the bills this city does not publish€1,487
Take-home pay for other salaries and households Compare with another city Check a job offer in Maryville Salary needed to live in Maryville

Public employment service

No exact public employment office is currently linked to Maryville. The verified national service may still offer online registration, job search or an official office finder.

Country-level information

American Job Centers — Public employment service

U.S. Department of Labor Employment and Training Administration

Job Search

Country-level service information is not treated as proof of a physical office in Maryville. Sources checked through 10 Aug 2026.

Family and education

MetricValuePeriodSource
Residents with high school education or higher93.73 %4 Jul 2026ACS median gross rent5Official
Schools7 schools30 Jun 2026NCES CCD public school count17Official
School enrolment, share of residents25.74 %4 Jul 2026ACS median gross rent5Official

Healthcare

MetricValuePeriodSource
Mental health provider ratio5 ratio30 Jun 2026HRSA mental health provider ratio16Official
Primary care doctors per 100,000 residents279 per 100,000 people30 Jun 2026HRSA mental health provider ratio16Official
Preventable hospitalizations2,327 per 100,000 people30 Jun 2026HRSA mental health provider ratio16Official

Yes — migrants can receive medical care in Maryville when the national insurance or residence conditions are met.

Healthcare access follows the country-wide insurance rules; local capacity facts remain city data and are not used as proof of eligibility.

Open the official coverage guide
Country rule verified 2026-08-03.

Safety

Recorded crime across major citiesMaryville highlighted among comparable cities
Recorded crime across major cities with Maryville highlighted

recorded incidents per 100k residents

Philadelphia5,457
Houston5,442
San Antonio5,218
Chicago4,012
Dallas4,010
Austin3,709
Fort Worth3,158
Phoenix3,125
New York City3,039
Los Angeles2,212
San Diego2,082
Maryville638
MetricValuePeriodSource
Recorded incidents per 100,000 residents638.4 offences per 100,000country median 1,58631 Dec 2024FBI Crime Data Explorer / Uniform Crime Reporting15Official
Violent crime per 100,000 residents149.6 per 100,000 people1 Jul 2026FBI CDE/UCR crime statistics13Official source, approximated value · Supplemental context · agency service area
Recorded violent crimes52 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)14Official

Mobility and administration

MetricValuePeriodSource
Average commute time23.29 minutes4 Jul 2026ACS total population6Official
Workers commuting by bicycle0.06 %4 Jul 2026ACS total population6Official
Workers commuting by public transport0 %4 Jul 2026ACS total population6Official
Workers walking to work2.36 %4 Jul 2026ACS total population6Official
Destinations from nearest airport17 count3 Aug 2026OpenFlights20Official
Nearest airportTYS3 Aug 2026OurAirports21Official
Distance to nearest airport6 km3 Aug 2026OurAirports21Official

Language courses and integration

No exact city-level course record is currently published for Maryville. These verified national programmes may still apply; use the official programme page to check local availability.

Country-level information

Adult Education and English Language Acquisition (AEFLA) — State Language Course

U.S. Department of Education

For adult learners, adult English-language learners.

EnglishIn Person, Online, HybridCost varies

USCIS English and citizenship class finder — Civic Orientation

U.S. Citizenship and Immigration Services

For immigrants, future citizens.

EnglishIn Person, OnlineCost varies
National programme information is not treated as proof of a course location in Maryville.

Find courses near Maryville

Climate and air quality

Temperature through the yearAverage daytime high and night-time low, °C
Rainfall through the yearAverage monthly precipitation, mm
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in United StatesAnnual PM2.5 in Maryville is 6.8 µg/m³. Of 968 cities with data, 261 have annual PM2.5 of 6 to under 7 µg/m³.

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
PM2.5 — annual mean6.84 µg/m³country median 7.031 Dec 2024EPA AQS annual PM2.5 monitor data 202412Official
Average daytime high by monthJan 9 · Feb 11.56 · Mar 16.33 · Apr 21.78 · May 26.06 · Jun 29.83 · Jul 31.33 · Aug 31 · Sep 28.06 · Oct 22.06 · Nov 15.56 · Dec 10.56 °C1991–2020NOAA U.S. Monthly Climate Normals 1991-2020 — station USW00013891 (KNOXVILLE AP)19Official · nearest-station reading
Average night-time low by monthJan -1.11 · Feb 0.611 · Mar 4.33 · Apr 8.89 · May 13.83 · Jun 18.28 · Jul 20.39 · Aug 19.72 · Sep 16.17 · Oct 9.39 · Nov 3.39 · Dec 0.444 °C1991–2020NOAA U.S. Monthly Climate Normals 1991-2020 — station USW00013891 (KNOXVILLE AP)19Official · nearest-station reading
Average temperature by monthJan 3.9 · Feb 6.1 · Mar 10.3 · Apr 15.3 · May 20 · Jun 24 · Jul 25.9 · Aug 25.3 · Sep 22.1 · Oct 15.7 · Nov 9.4 · Dec 5.5 °C31 Dec 1991World Meteorological Organization / NOAA NCEI27Official
Average precipitation by monthJan 120.9 · Feb 122.2 · Mar 124.2 · Apr 119.6 · May 104.9 · Jun 107.7 · Jul 133.4 · Aug 92.2 · Sep 88.65 · Oct 71.37 · Nov 106.9 · Dec 127 mm1991–2020NOAA U.S. Monthly Climate Normals 1991-2020 — station USW00013891 (KNOXVILLE AP)19Official · nearest-station reading
PM2.5, highest monitored reading44.2 µg/m³1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
PM2.5, annual mean7.7 µg/m³1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
PM2.5 monitoring sites1 monitors1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
Annual precipitation1,271 mm30 Jun 2026NOAA GHCN-Daily climate normals18Official source, approximated value · Supplemental context · station observation
Maximum July temperature25.71 °C30 Jun 2026NOAA GHCN-Daily climate normals18Official source, approximated value · Supplemental context · station observation
Average annual temperature15.35 °C30 Jun 2026NOAA GHCN-Daily climate normals18Official source, approximated value · Supplemental context · station observation
Minimum January temperature6.99 °C30 Jun 2026NOAA GHCN-Daily climate normals18Official source, approximated value · Supplemental context · station observation

Similar climate. In United States: Murfreesboro ±0.7 °C. Elsewhere: Reims (France) ±4.6 °C, Werl (Germany) ±5.0 °C, Saanich (Canada) ±5.3 °C, Cottbus (Germany) ±5.3 °C, Bremerhaven (Germany) ±5.4 °C. Twenty closest, compared month by month

Monthly highs and lows against the 1991–2020 station normals of the nearest station; ± is the average monthly difference.

Population and city profile

Foreign residents and their share come from different publications that count different groups (for example citizens of another country, or people born abroad, or of foreign origin), so 1,444 is not 2.8% of the population. Each row names its source.

Who lives hereResidents by nationality, % of population

Calculated from the population and foreign-resident facts on this page.

MetricValuePeriodSource
Foreign-resident share2.76 %31 Dec 2020Census Reporter (underlying U.S. Census ACS)9Official
Foreign residents1,444 people31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables30Supplemental estimate · Supplemental context
Population density702.2 people/km²31 Dec 2025Census Reporter / U.S. Census Bureau10Official
Population32,442 people31 Dec 2025U.S. Census Bureau, Population Estimates Program24Official
Population covered by crime statistics32,465 people31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)14Official

Additional context

MetricValuePeriodSource
Median home value358,100 USD4 Jul 2026ACS median gross rent5Official
Owner-occupied homes67.46 %4 Jul 2026ACS median gross rent5Official
Labour force participation rate63.33 %4 Jul 2026ACS total population6Official
Residents born abroad4.46 %4 Jul 2026ACS total population6Official
Naturalized citizens, share of residents1.7 %4 Jul 2026ACS total population6Official
Non-citizens, share of residents2.76 %4 Jul 2026ACS total population6Official
Flu vaccination coverage59.5 %30 Jun 2026CDC BRFSS flu vaccination coverage7Official
Mammography screening coverage74.9 %30 Jun 2026CDC mammography screening rate8Official
Residents without health insurance8.92 %4 Jul 2026ACS median gross rent5Official
Residents with a bachelor's degree or higher38.49 %4 Jul 2026ACS median gross rent5Official
Crime reporting agencies0 agencies1 Jul 2026FBI CDE/UCR crime statistics13Official source, approximated value · Supplemental context · agency service area
Households with a vehicle available93.71 %4 Jul 2026ACS median gross rent5Official
Public transport agencies in the National Transit Database0 agencies4 Jul 2026ACS total population6Official
Workers aged 16 and over15,780 workers4 Jul 2026ACS total population6Official
Workers mainly working from home10.9 %4 Jul 2026ACS total population6Official
Households using cellular data plans87.44 %4 Jul 2026ACS total population6Official

Alternatives for people set on Maryville

Three places for the three reasons people leave a city on the shortlist: stay in the region, stay in the country, or keep the budget and change the country. A percentage appears only where both cities publish that metric from the same source, period and grain. Distances are straight lines — travel times are not collected yet.

Farragut as a Maryville alternative in the same region

23 km away, better on 3 of 7 metrics measured the same way, worse on 2.

  • Median gross pay, city: €5,042 Farragut vs €3,250 Maryville+55%
  • Nearest airport: 17.0 km Farragut vs 6.0 km Maryville+183%
  • Unemployment: 2.3% Farragut vs 3.0% Maryville−22%
  • Foreign residents: 1.9% Farragut vs 2.8% Maryville−30%
  • Annual PM2.5: 5.6 µg/m³ Farragut vs 6.8 µg/m³ Maryville−18%
  • Residents: 25,121 Farragut vs 32,442 Maryville−23%
  • Median gross pay, region: €3,479 Farragut vs €3,479 Maryvillesame level

Holly Springs as a Maryville alternative in the same country

A move, not a commute, at 465 km, better on 3 of 6 metrics measured the same way, worse on 2. Recorded crime, per 100k cannot be compared like for like.

  • Nearest airport: 26.0 km Holly Springs vs 6.0 km Maryville+333%
  • Median gross pay, city: €5,042 Holly Springs vs €3,250 Maryville+55%
  • Foreign residents: 4.9% Holly Springs vs 2.8% Maryville+76%
  • Residents: 50,288 Holly Springs vs 32,442 Maryville+55%
  • Recorded crime, per 100k: 1,110 (2023) Holly Springs vs 638 (2024) Maryvilleno percentage
  • Unemployment: 3.4% Holly Springs vs 3.0% Maryville+14%
  • Median gross pay, region: €3,842 Holly Springs vs €3,479 Maryville+10%

Cities near Maryville

Published cities within 25 km, nearest first. Distances are straight-line.

Knoxville Commuting Zone · 24.0 km away
Salary
2,708 EUR/monthMedian gross salary · 2024-12-31
Eagleton Village 5.3 km away
Rent
1,038 EUR/monthMedian monthly rent · 2020-12-31
Salary
3,345 EUR/monthMedian gross salary · 2020-12-31

Alternative cities in United States

Other cities in United States to compare with Maryville, nearest in population first.

All United States cities

How does Maryville compare?

Pick a city. The answer appears here and the address bar keeps it, so the comparison can be shared; the page stays Maryville's.

Is Maryville part of Knoxville?

Maryville is in the published commuting zone of Knoxville; this does not mean it is administratively part of the hub. Knoxville city profile

Relationship type: Commuting Zone Of. Source22

Common questions

Answered from the published values on this page, each with its source and date.

What is the typical salary around Maryville?

The median gross salary is 3,479 EUR/month. Source: www.bls.gov.

What is the unemployment rate in Maryville?

The unemployment rate is 2.96 %. This is a supplemental estimate, not an official municipal measurement. Source: Census Reporter mirror of ACS 2024 5-year tables.

Is the air quality good in Maryville?

The annual PM2.5 mean is 6.84 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is above the WHO guideline but within the EU limit. Source: EPA AQS annual PM2.5 monitor data 2024.

How safe is Maryville?

Police recorded 638.4 offences per 100,000. This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: FBI Crime Data Explorer / Uniform Crime Reporting.

How many people live in Maryville?

The published population is 32,442 people. Source: U.S. Census Bureau, Population Estimates Program.

How many foreign residents live in Maryville?

1,444 residents hold a foreign nationality. This is a supplemental estimate, not an official municipal measurement. Source: Census Reporter mirror of ACS 2024 5-year tables.

Is Maryville a good place to live?

Maryville may suit different people for different reasons. The page's profile scores compare published cost, work, housing, safety, healthcare and other available factors; they are a decision aid, not a universal recommendation.

Is Maryville part of Knoxville?

Maryville is in the published commuting zone of Knoxville; this does not mean it is administratively part of the hub.

Which cities are near Maryville?

Knoxville, Eagleton Village, Alcoa, Farragut are near Maryville. Typed relationship labels are shown where published; other rows use straight-line distance from admitted coordinates.

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation
ImmigrationDB. (2026, October 16). Maryville (Tennessee), United States: population, rent, jobs [ImmigrationDB compilation; version 2d54dc283d6822da6b6623db37f0bd22]. ImmigrationDB. https://immigrationdb.com/cities/us/maryville-tn/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_maryville-tennessee-united-states-population-rent-jobs_1ac404ed9e2c,
  author = {ImmigrationDB},
  title = {Maryville (Tennessee), United States: population, rent, jobs},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {2d54dc283d6822da6b6623db37f0bd22},
  url = {https://immigrationdb.com/cities/us/maryville-tn/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Maryville (Tennessee), United States: population, rent, jobs](https://immigrationdb.com/cities/us/maryville-tn/) — ImmigrationDB; ImmigrationDB; version 2d54dc283d6822da6b6623db37f0bd22; retrieved 2026-10-16; built 2026-10-16.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

JSON Markdown
  1. 2024 American Community Survey 5-year detailed tables api.census.gov · checked 2026-10-04
  2. ACS 2020-2024 5-year table-based Summary File, table B25064 (Median Gross Rent), place records www2.census.gov · checked 2026-09-18
  3. ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent) www2.census.gov · checked 2026-09-19
  4. ACS 2024 1-year table-based Summary File, table B20002 (Median Earnings in the Past 12 Months (in 2024 inflation-adjusted dollars) by Sex for the Population 16 Years and Over with Earnings) www2.census.gov · checked 2026-09-19
  5. ACS median gross rent api.censusreporter.org · checked 2026-07-04
  6. ACS total population api.censusreporter.org · checked 2026-07-04
  7. CDC BRFSS flu vaccination coverage data.cdc.gov · checked 2026-06-30
  8. CDC mammography screening rate data.cdc.gov · checked 2026-06-30
  9. Census Reporter (underlying U.S. Census ACS) api.censusreporter.org · checked 2026-08-03
  10. Census Reporter / U.S. Census Bureau api.censusreporter.org · checked 2026-08-03
Show 24 more sources
  1. EPA AirData PM2.5 annual mean aqs.epa.gov · checked 2026-07-01
  2. EPA AQS annual PM2.5 monitor data 2024 aqs.epa.gov · checked 2026-07-26
  3. FBI CDE/UCR crime statistics cde.ucr.cjis.gov · checked 2026-07-01
  4. FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip) cde.ucr.cjis.gov · checked 2026-09-05
  5. FBI Crime Data Explorer / Uniform Crime Reporting cde.ucr.cjis.gov · checked 2026-08-04
  6. HRSA mental health provider ratio data.hrsa.gov · checked 2026-06-30
  7. NCES CCD public school count nces.ed.gov · checked 2026-06-30
  8. NOAA GHCN-Daily climate normals ncei.noaa.gov · checked 2026-06-30
  9. NOAA U.S. Monthly Climate Normals 1991-2020 — station USW00013891 (KNOXVILLE AP) NOAA U.S. Monthly Climate Normals 1991-2020 · ncei.noaa.gov · checked 2026-07-31
  10. OpenFlights raw.githubusercontent.com · checked 2026-08-03
  11. OurAirports davidmegginson.github.io · checked 2026-08-03
  12. TIGERweb ACS2023 — Metropolitan and Micropolitan Statistical Areas (CBSA, January 1 2023) TIGERweb ACS2023 · tigerweb.geo.census.gov · checked 2026-09-19
  13. U.S. Census Bureau TIGERweb Places (layer 4 incorporated places, layer 5 CDPs; identical query) tigerweb.geo.census.gov · checked 2026-09-11
  14. U.S. Census Bureau, Population Estimates Program www2.census.gov · checked 2026-08-03
  15. Verizon 300 Mbps home internet verizon.com · checked 2026-09-15
  16. Visible unlimited mobile plan visible.com · checked 2026-09-15
  17. World Meteorological Organization / NOAA NCEI nodc.noaa.gov · checked 2026-08-03
  18. www.bls.gov bls.gov · checked 2026-08-27
  19. Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS) api.censusreporter.org · checked 2026-09-11
  20. Census Reporter mirror of ACS 2024 5-year tables api.censusreporter.org · checked 2026-07-26
  21. Coordinate identity evidence wikidata.org · checked 2026-09-06
  22. Coordinate identity evidence wikidata.org · checked 2026-09-06
  23. Coordinate identity evidence wikidata.org · checked 2026-09-06
  24. Coordinate identity evidence wikidata.org · checked 2026-09-06

Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.