Living in Heby

In Heby, rents across existing tenancies average €9.93 per m² a month (2025) and unemployment is 11.7% (2024).

The unemployment rate was 11.7% at the end of 2024. Annual PM2.5 was 3.65 µg/m³ in 2023. The city covered 1,172.6 km² in 2026. Population density was 12.2 people per km² in 2025. Car density was 559 vehicles per 1,000 residents in 2025.

Last checked 2026-09-1924 sources

Population14,345people31 Dec 2024Official source · SCB table BefArealTathetKon: municipality land area/population by year.

Median gross salary (region)3,289EUR/month31 Dec 2025Official source · api.scb.se

Average net rent9.93EUR/m²/monthcountry median €9.83 — about the sameOfficial source · api.scb.se

Unemployment rate11.7%country median 10.6% — 10% aboveIndependent source · SCB labour-market variables by municipality, 2022–2024

Recorded crime9,497offences per 100,000country median 9,986 — 5% belowOfficial source · Brå — reported offences by municipality, 2025

PM2.5, annual mean3.65µg/m³country median 5.1 — 28% belowOfficial source · Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.

Higher unemployment than 63% of Swedish cities that publish it, less recorded crime than 63% of Swedish cities that publish it and cleaner air than 91% of Swedish cities that publish it.

Which Sweden-wide rules apply when you move to Heby?

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

Visa and entry rulesPassport-specific entry and national residence context.BenefitsCountry-wide eligibility and official application routes.Taxes in SwedenNational rates and thresholds that apply in Heby.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

How much does it cost to rent in Heby?

Average net cold rent is about 9.93 EUR/m² per month (2025), excluding heating and operating charges.

Published average over existing tenancies; a specific flat can sit either side of it. Asking-rent series, where present, are separate rows in the table.

Average net rent (nettokalt): 9.93 EUR/m²/month · api.scb.se¹

What recurs every month2 published recurring costs, € per month

€ / month

Internet, 60 Mbps€40

Mobile plan, 10 GB€22

Net rent across major citiesHeby highlighted among comparable cities

net rent, € / m² / month

Stockholm€13.35

Malmö€13.04

Helsingborg€12.09

Heby€9.93

Örebro€7.00

Jönköping€6.88

Show the other 6 cities

Västerås€11.91

Gothenburg€11.83

Norrköping€11.42

Uppsala€7.85

Umeå€7.45

Linköping€7.38

Metric	Value	Period	Source
Internet, 60 Mbps unlimited	39.96 EUR/month	30 Sept 2026	Telia 100 Mbps broadband²¹Official · national market
Mobile plan, 10 GB	22.16 EUR/month	30 Sept 2026	Tele2 mobile plan²⁰Official · national market
Average net rent (nettokalt)	9.93 EUR/m²/monthcountry median €9.83 — about the same	31 Dec 2025	api.scb.se¹Official

Is Heby 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 worker58%strong on work, weak on safety · range 50–66%

Skilled employee62%strong on work, weak on safety · range 54–70%

Student59%strong on education, weak on safety · range 52–66%

Family45%strong on family, weak on cost · range 38–52%

Retirement57%strong on air quality, weak on admin · range 48–66%

Worked out from these numbers

What does a 60 m² flat cost?

About 596 EUR a month in cold rent at the published average of about 9.93 EUR/m² per month, before heating and operating charges.

Heating, water and operating charges come on top, and a specific flat can sit either side of an average.

Source period: 2025

Work and income

What is the unemployment rate in Heby?

The unemployment rate is 11.7 % (2024). Source: SCB labour-market variables by municipality, 2022–2024¹³

Unemployment across cities in SwedenUnemployment in Heby is 11.7%. Of 216 cities with data, 61 have unemployment of 8 to under 10%.

4–66–88–1010–1212–1414–1616–1818–20

Heby 11.7%

Unemployment rate (%)

Metric	Value	Period	Source
People in employment	6,815 people	31 Dec 2024	Statistics Sweden (SCB)¹²Official
Fibre coverage	93	27 Aug 2026	migrationfit.com⁵Official
Employment rate	80 %	31 Dec 2024	Statistics Sweden (SCB)¹³Official
Median gross salary (regional)	3,289 EUR/month	31 Dec 2025	api.scb.se²Official
Unemployment rate	11.7 %country median 10.6%	31 Dec 2024	SCB labour-market variables by municipality, 2022–2024¹³Independent

What does a salary buy in Heby?

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

Left over each month€1,958of €2,616 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.	€2,616
Rent, 60 m²€9.93/m² · official · api.scb.se · 2025-12-31	− €596
Internet€40 · official · Telia 100 Mbps broadband · 2026-09-30	− €40
Mobile plan€22 · official · Tele2 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	€1,958

Take-home pay for other salaries and households Compare with another city Check a job offer in Heby Salary needed to live in Heby

Public employment service

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

Country-level information

Arbetsförmedlingen — Public employment service

Swedish Public Employment Service

Job Search

Search jobs

Open the Sweden service overview

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

Family and education

Metric	Value	Period	Source
Average school rating (composite score)	3.9	27 Aug 2026	migrationfit.com⁵Official

School for children who move here. School is compulsory from age 6 to 16, and public school is free. Newly arrived pupils get support in the school language: förberedelseklass (reception class) + språkförskola (special language preschool). How to enrol a child (skolverket.se).

A country-wide rule for Sweden; Heby's school authority applies it locally.

Sources: eurydice.eacea.ec.europa.eu · 2025–2026.

Healthcare

Metric	Value	Period	Source
Physicians per 1,000 residents	4	27 Aug 2026	migrationfit.com⁵Official

Yes — migrants can receive medical care in Heby 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

Physicians per 1,000 residents4Verified 2026-08-27

Country rule verified 2026-08-03.

Safety

How safe is Heby?

Police recorded 9,497 incidents per 100,000 (2025). This counts all offences, so it is not comparable with a violent-crime-only rate from another source.

Recorded incidents per 100,000 residents: 9,497 offences per 100,000 · Brå — reported offences by municipality, 2025³

Recorded crime across major citiesHeby highlighted among comparable cities

recorded incidents per 100k residents

Stockholm19,159

Malmö16,183

Helsingborg15,583

Västerås14,153

Örebro13,915

Gothenburg13,878

Norrköping12,832

Uppsala11,137

Linköping10,322

Jönköping9,782

Heby9,497

Umeå9,210

Metric	Value	Period	Source
Recorded incidents per 100,000 residents	9,497 offences per 100,000country median 9,986	31 Dec 2025	Brå — reported offences by municipality, 2025³Official

Mobility and administration

Metric	Value	Period	Source
Immigration application processing time	90	27 Aug 2026	migrationfit.com⁵Official
Destinations from nearest airport	3 count	13 Jun 2026	OpenFlights — routes.dat⁹Official
Nearest airport	VST	13 Jun 2026	OurAirports — airports.csv¹⁰Official
Distance to nearest airport	40.7 km	13 Jun 2026	OurAirports — airports.csv¹⁰Official
Public transport score	73	27 Aug 2026	migrationfit.com⁵Official

Language courses and integration

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

Country-level information

Municipal civic orientation for newly arrived residents — Civic Orientation

Swedish municipalities

For newly arrived residents with residence permits.

In Person, OnlineFree

Open official information

Swedish for immigrants (SFI) municipal adult education — State Language Course

Swedish municipalities under the national SFI framework

For persons over 16 eligible for SFI.

SwedishIn Person, Online

Open official information

Open the full Sweden section

National programme information is not treated as proof of a course location in Heby.

Find courses near Heby

Climate and air quality

Annual NO₂ was 2.09 µg/m³ in 2023. Annual PM10 was 6.3 µg/m³ in 2023.

Is the air quality good in Heby?

The annual PM2.5 mean is about 3.6 µg/m³ (2023) — within the WHO 2021 guideline.

Annual mean at the measuring site(s) serving the city; current-day readings differ.

PM2.5 — annual mean: 3.65 µg/m³ · Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷

Temperature through the yearAverage daytime high and night-time low, °C

0°

0°-6°

4°-4°

11°0°

17°4°

20°9°

23°11°

22°10°

16°7°

9°2°

4°-1°

1°-5°

JFMAMJJASOND

Night-time low to daytime high

Rainfall through the yearAverage monthly precipitation, mm

JFMAMJJASOND

Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits

Within WHO 2021 guidelineAbove WHO, within EU limitAbove EU legal limitCity annual mean · µg/m³

PM2.53.6WHO 5 · EU 25

PM106.3WHO 15 · EU 40

NO₂2.1WHO 10 · EU 40

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

PM2.5 across cities in SwedenAnnual PM2.5 in Heby is 3.7 µg/m³. Of 197 cities with data, 64 have annual PM2.5 of 4 to under 5 µg/m³.

2–33–44–55–66–77–88–9

Heby 3.7

Annual PM2.5 (µg/m³)

Metric	Value	Period	Source
NO₂ — annual mean	2.09 µg/m³country median 4.0	2023	Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷Official
PM10 — annual mean	6.32 µg/m³country median 9.3	2023	Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷Official
PM2.5 — annual mean	3.65 µg/m³country median 5.1	2023	Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷Official
Average January temperature	-3	28 Aug 2026	migrationfit.com⁵Official
Average daytime high by month	Jan -0.3 · Feb 0.4 · Mar 4.4 · Apr 10.8 · May 16.6 · Jun 20.4 · Jul 23.1 · Aug 21.6 · Sep 16.4 · Oct 9.4 · Nov 4 · Dec 0.9 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Sala A²²Official · nearest-station reading
Average night-time low by month	Jan -6.3 · Feb -6.5 · Mar -3.9 · Apr -0.2 · May 4.2 · Jun 8.6 · Jul 11 · Aug 10.2 · Sep 6.6 · Oct 2.5 · Nov -0.9 · Dec -4.6 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Sala A²²Official · nearest-station reading
Average temperature by month	Jan -3.1 · Feb -2.9 · Mar 0.2 · Apr 5.3 · May 10.7 · Jun 14.6 · Jul 17.2 · Aug 15.8 · Sep 11.2 · Oct 5.8 · Nov 1.6 · Dec -1.7 °C	1991–2020	WMO Climatological Normals 1991-2020 — station Sala A²²Official · nearest-station reading
Average precipitation by month	Jan 37.2 · Feb 28 · Mar 27.7 · Apr 31.7 · May 38.7 · Jun 62.3 · Jul 65.8 · Aug 67 · Sep 46.5 · Oct 53.1 · Nov 47.3 · Dec 43.4 mm	1991–2020	WMO Climatological Normals 1991-2020 — station Sala A²²Official · nearest-station reading

Similar climate. In Sweden: Jönköping ±0.7 °C. Elsewhere: Tampere (Finland) ±1.3 °C, Tartu linn (Estonia) ±0.8 °C, Lahti (Finland) ±1.4 °C, Turku (Finland) ±0.8 °C, Vantaa (Finland) ±1.0 °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

How many people live in Heby?

The published population was 14,345 people in 2024. Source: SCB table BefArealTathetKon: municipality land area/population by year.¹¹

Who lives hereResidents by nationality, % of population

By nationality

National passport94.5%

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

Metric	Value	Period	Source
Area	1,173 km²	31 Dec 2025	Statistics Sweden (SCB)¹⁴Official
Cars per 1,000 residents	559 cars/1000 residents	31 Dec 2025	Official vehicles-in-use table: Fordonsslag=10 is passenger cars, stock at the last month of 2025; divided by official SCB population at 31 December 2025.⁸Official
City area	1,173 km²	1 Jan 2026	Official SCB population density per square kilometre at municipality grain. SCB states that it uses the population figure at 31 December with the following 1 January land-area figure.¹¹Official
Foreign-resident share	5.49 %	31 Dec 2025	Statistics Sweden (SCB)¹⁵Official
Foreign residents	784 people	31 Dec 2025	Official number of foreign citizens at municipality grain, all ages and all sexes, reference 31 December 2025.⁶Official
Population density	12.2 people/km²	31 Dec 2025	Official SCB population density per square kilometre at municipality grain. SCB states that it uses the population figure at 31 December with the following 1 January land-area figure.¹¹Official
Female residents	6,982 people	31 Dec 2025	Statistics Sweden (SCB)¹⁷Official
Male residents	6,982 people	31 Dec 2025	Statistics Sweden (SCB)¹⁷Official
Population	14,345 people	31 Dec 2024	SCB table BefArealTathetKon: municipality land area/population by year.¹¹Official

International community in Heby

Named groups from exact city-grain official distributions. Citizenship, birthplace, language and ancestry answer different questions and stay separate.

Country of birth

Registered population by municipality and country of birth; total sex · 2024

Published group	People	Share
All birth countries	14,345	100.0%
Sweden	12,410	86.5%
Finland	287	2.0%
other countries	249	1.7%
Syrian Arab Republic	182	1.3%
Afghanistan	101	0.7%
Iraq	84	0.6%
Thailand	82	0.6%
Eritrea	72	0.5%
Türkiye	66	0.5%

Show 33 more groups

Published group	People	Share
Romania	65	0.5%
Germany	61	0.4%
Poland	57	0.4%
Lithuania	54	0.4%
Iran (Islamic Republic of)	44	0.3%
Ukraine	41	0.3%
Norway	37	0.3%
Philippines	35	0.2%
United Kingdom	33	0.2%
Latvia	28	0.2%
Kingdom of the Netherlands	28	0.2%
United States of America	27	0.2%
Yugoslavia	25	0.2%
Bulgaria	24	0.2%
Russian Federation	23	0.2%
Ethiopia	19	0.1%
Lebanon	19	0.1%
Estonia	18	0.1%
Bosnia and Herzegovina	16	0.1%
Chile	16	0.1%
Hungary	16	0.1%
Pakistan	16	0.1%
Spain	12	0.1%
India	12	0.1%
Iceland	12	0.1%
Burundi	11	0.1%
Democratic Republic of the Congo	11	0.1%
Greece	11	0.1%
Bangladesh	10	0.1%
Switzerland	10	0.1%
Denmark	10	0.1%
Somalia	10	0.1%
unknown country of birth	1	0.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source¹⁹

Citizenship

Registered population by municipality and citizenship; total sex · 2024

Published group	People	Share
total	14,345	100.0%
Swedish	13,539	94.4%
European citizenship except Swedish	470	3.3%
Rest of the world incl. Stateless and unknown	336	2.3%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source¹⁸

Additional context

Metric	Value	Period	Source
Households	6,722 households	31 Dec 2024	Statistics Sweden (SCB)¹⁶Official
Municipal tax rate	20.94	27 Aug 2026	migrationfit.com⁵Official

Alternatives for people set on Heby

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.

Uppsala as a Heby alternative in the same region

Better on 2 of 5 metrics measured the same way, worse on 1. Rent and foreign residents cannot be compared like for like.

Residents: 248,016 Uppsala vs 14,345 Heby+1629%
Rent: €7.85/m² (2009) Uppsala vs €9.93/m² (2025) Hebyno percentage
Recorded crime, per 100k: 11,137 Uppsala vs 9,497 Heby+17%
Unemployment: 10.2% Uppsala vs 11.7% Heby−13%
Nearest airport: 28.5 km Uppsala vs 40.7 km Heby−30%
Foreign residents: 9.4% Uppsala vs 5.5% Hebyno percentage
Median gross pay, region: €3,362 Uppsala vs €3,289 Hebysame level

Full comparison More about Uppsala

Falun as a Heby alternative in the same country

A move, not a commute, at 101 km, better on 3 of 7 metrics measured the same way, worse on 2.

Residents: 59,945 Falun vs 14,345 Heby+318%
Unemployment: 8.3% Falun vs 11.7% Heby−29%
Recorded crime, per 100k: 7,480 Falun vs 9,497 Heby−21%
Foreign residents: 3.6% Falun vs 5.5% Heby−34%
Nearest airport: 21.5 km Falun vs 40.7 km Heby−47%
Annual PM2.5: 4.4 µg/m³ Falun vs 3.6 µg/m³ Heby+19%
Rent: €10.20/m² Falun vs €9.93/m² Hebysame level

Full comparison More about Falun

Cities near Heby

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

Sala 15.5 km away

Rent: 9.65 EUR/m²/monthAverage net rent (nettokalt) · 2025-12-31

Alternative cities in Sweden

Other cities in Sweden to compare with Heby, nearest in population first.

All Sweden cities

Lilla Edet14,442 residents Svalöv14,543 residents Skoghall14,610 residents Oxie14,040 residents Arboga13,980 residents Östra Göinge13,978 residents

How does Heby compare?

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

Open the full comparison

Is Heby part of Uppsala?

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

Relationship type: Commuting Zone Of. Source⁴

Put Heby's key facts on your site — a card with this page's figures and a link back, free under CC BY 4.0.

Common questions

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

How many people live in Heby?

The published population was 14,345 people in 2024. Source: SCB table BefArealTathetKon: municipality land area/population by year..

How much does it cost to rent in Heby?

Average net cold rent is about 9.93 EUR/m² per month (2025), excluding heating and operating charges. For a 70 m² flat that is about 695 EUR a month before utilities. Source: api.scb.se.

Is the air quality good in Heby?

The annual PM2.5 mean is about 3.6 µg/m³ (2023) — within the WHO 2021 guideline. Source: Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features..

How safe is Heby?

Police recorded 9,497 incidents per 100,000 (2025). This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: Brå — reported offences by municipality, 2025.

What is the unemployment rate in Heby?

The unemployment rate is 11.7 % (2024). Source: SCB labour-market variables by municipality, 2022–2024.

What is the typical salary around Heby?

The median gross salary is 3,289 EUR/month. Source: api.scb.se.

Is Heby a good place to live?

Heby 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 Heby part of Uppsala?

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

Which cities are near Heby?

Sala is near Heby. Typed relationship labels are shown where published; other rows use straight-line distance from admitted coordinates.

How many people born in All birth countries live in Heby?

The official country of birth distribution records 14,345 people (100.0%) in the source-defined population for 2024. This is a country of birth measure, not a general estimate of ethnicity or migration status.

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). Heby, Sweden: population, rent, salary, cost of living, jobs [ImmigrationDB compilation; version af7520b0897d8598c988152460da40cc]. ImmigrationDB. https://immigrationdb.com/cities/se/heby/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

BibTeX citation

@misc{immigrationdb_immigrationdb_heby-sweden-population-rent-salary-cost-of-living-jobs_0c1aec199d6a,
  author = {ImmigrationDB},
  title = {Heby, Sweden: population, rent, salary, cost of living, jobs},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {af7520b0897d8598c988152460da40cc},
  url = {https://immigrationdb.com/cities/se/heby/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}

Markdown citation

[Heby, Sweden: population, rent, salary, cost of living, jobs](https://immigrationdb.com/cities/se/heby/) — ImmigrationDB; ImmigrationDB; version af7520b0897d8598c988152460da40cc; 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

api.scb.se api.scb.se · checked 2026-08-27
api.scb.se api.scb.se · checked 2026-08-27
Brå — reported offences by municipality, 2025 Brå · bra.se · checked 2026-07-26
GISCO Urban Audit 2021 — Functional Urban Areas (URAU_RG_100K_2021_4326_FUA) GISCO Urban Audit 2021 · gisco-services.ec.europa.eu · checked 2026-09-19
migrationfit.com migrationfit.com · checked 2026-06-12
Official number of foreign citizens at municipality grain, all ages and all sexes, reference 31 December 2025. api.scb.se · checked 2025-12-31
Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features. natmodluft.smhi.se · checked 2026-07-15
Official vehicles-in-use table: Fordonsslag=10 is passenger cars, stock at the last month of 2025; divided by official SCB population at 31 December 2025. api.scb.se · checked 2025-12-31
OpenFlights — routes.dat OpenFlights · raw.githubusercontent.com · checked 2026-07-14
OurAirports — airports.csv OurAirports · davidmegginson.github.io · checked 2026-07-14

Show 14 more sources

SCB table BefArealTathetKon: municipality land area/population by year. api.scb.se · checked 2026-07-14
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-07
Statistics Sweden (SCB) api.scb.se · checked 2026-08-30
Statistics Sweden (SCB) country of birth distribution api.scb.se · checked 2026-08-28
Tele2 mobile plan tele2.se · checked 2026-09-15
Telia 100 Mbps broadband telia.se · checked 2026-09-15
WMO Climatological Normals 1991-2020 — station Sala A WMO Climatological Normals 1991-2020 · ncei.noaa.gov · checked 2026-07-31
Coordinate identity evidence wikidata.org · checked 2026-09-06
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.