Living in Strängnäs

In Strängnäs, rents across existing tenancies average €10.79 per m² a month (2025) and unemployment is 10.6% (2024).

For Strängnäs, the unemployment rate was 10.6% at the end of 2024.

Last checked 2026-09-1924 sources

Population39,313people31 Dec 2024Official source · SCB table BefArealTathetKon: municipality land area/population by year.

Median gross salary (region)3,416EUR/month31 Dec 2025Official source · api.scb.se

Average net rent10.79EUR/m²/monthcountry median €9.83 — 10% aboveOfficial source · api.scb.se

Unemployment rate10.6%country median 10.6% — about the sameIndependent source · SCB labour-market variables by municipality, 2022–2024

Recorded crime9,362offences per 100,000country median 9,986 — 6% belowOfficial source · Brå — reported offences by municipality, 2025

PM2.5, annual mean4.06µg/m³country median 5.1 — 20% belowOfficial source · Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.

Pricier rent than 70% of Swedish cities that publish it, less recorded crime than 67% of Swedish cities that publish it and cleaner air than 83% of Swedish cities that publish it.

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

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 Strängnäs.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

How much does it cost to rent in Strängnäs?

Average net cold rent is about 10.79 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): 10.79 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 citiesSträngnäs highlighted among comparable cities

net rent, € / m² / month

Stockholm€13.35

Malmö€13.04

Helsingborg€12.09

Strängnäs€10.79

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 broadband²⁴Official · national market
Mobile plan, 10 GB	22.16 EUR/month	30 Sept 2026	Tele2 mobile plan²³Official · national market
Average net rent (nettokalt)	10.79 EUR/m²/monthcountry median €9.83	31 Dec 2025	api.scb.se¹Official

Is Strängnäs 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 worker54%strong on work, weak on safety · range 46–62%

Skilled employee53%strong on work, weak on safety · range 45–61%

Student45%strong on cost, weak on safety · range 38–52%

Family33%strong on family, weak on cost · range 26–40%

Retirement51%strong on air quality, weak on admin · range 42–60%

Worked out from these numbers

What does a 60 m² flat cost?

About 647 EUR a month in cold rent at the published average of about 10.79 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 Strängnäs?

The unemployment rate is 10.6 % (2024). Source: SCB labour-market variables by municipality, 2022–2024¹⁶

Unemployment across cities in SwedenUnemployment in Strängnäs is 10.6%. Of 216 cities with data, 61 have unemployment of 8 to under 10%.

4–66–88–1010–1212–1414–1616–1818–20

Strängnäs 10.6%

Unemployment rate (%)

Metric	Value	Period	Source
People in employment	18,988 people	31 Dec 2024	Statistics Sweden (SCB)¹⁵Official
Fibre coverage	90.5	27 Aug 2026	migrationfit.com⁵Official
Employment rate	82.1 %	31 Dec 2024	Statistics Sweden (SCB)¹⁶Official
Median gross salary (regional)	3,416 EUR/month	31 Dec 2025	api.scb.se²Official
Unemployment rate	10.6 %country median 10.6% — about the same	31 Dec 2024	SCB labour-market variables by municipality, 2022–2024¹⁶Independent

What does a salary buy in Strängnäs?

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

Left over each month€2,002of €2,712 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.	€2,712
Rent, 60 m²€10.79/m² · official · api.scb.se · 2025-12-31	− €647
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	€2,002

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

Public employment service

No exact public employment office is currently linked to Strängnäs. 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 Strängnäs. Sources checked through 10 Aug 2026.

Family and education

Metric	Value	Period	Source
Average school rating (composite score)	3.6	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; Strängnäs's school authority applies it locally.

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

Healthcare

Metric	Value	Period	Source
Physicians per 1,000 residents	3.4	27 Aug 2026	migrationfit.com⁵Official

Yes — migrants can receive medical care in Strängnäs 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 residents3.4Verified 2026-08-27

Country rule verified 2026-08-03.

Safety

How safe is Strängnäs?

Police recorded 9,362 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: 9,362 offences per 100,000 · Brå — reported offences by municipality, 2025³

Recorded crime across major citiesSträngnäs 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

Strängnäs9,362

Umeå9,210

Metric	Value	Period	Source
Recorded incidents per 100,000 residents	9,362 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	33.3 km	13 Jun 2026	OurAirports — airports.csv¹⁰Official
Public transport score	50	27 Aug 2026	migrationfit.com⁵Official

Language courses and integration

No exact city-level course record is currently published for Strängnäs. 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 Strängnäs.

Find courses near Strängnäs

Climate and air quality

Monthly mean temperatures were −2.1°C in January and 17.6°C in July. Annual PM2.5 was 4.06 µg/m³ in 2023. Annual NO₂ was 3.35 µg/m³ in 2023.

Is the air quality good in Strängnäs?

The annual PM2.5 mean is about 4.1 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: 4.06 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°

1°-5°

1°-6°

5°-3°

11°0°

17°5°

21°9°

23°12°

22°11°

17°8°

10°3°

5°0°

2°-3°

JFMAMJJASOND

Night-time low to daytime high

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

PM2.54.1WHO 5 · EU 25

PM107.5WHO 15 · EU 40

NO₂3.3WHO 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 Strängnäs is 4.1 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

Strängnäs 4.1

Annual PM2.5 (µg/m³)

Metric	Value	Period	Source
NO₂ — annual mean	3.35 µg/m³country median 4.0	2023	Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷Official
PM10 — annual mean	7.47 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	4.06 µg/m³country median 5.1	2023	Official SMHI 2023 national model values are derived from exact-kommun receptor/grid features.⁷Official
Average January temperature	-2.5	28 Aug 2026	migrationfit.com⁵Official
Average daytime high by month	Jan 0.544 · Feb 0.938 · Mar 4.78 · Apr 10.97 · May 16.67 · Jun 20.57 · Jul 23.35 · Aug 22.05 · Sep 16.86 · Oct 10.14 · Nov 4.94 · Dec 1.89 °C	31 Dec 2020	SMHI Mean maximum temperature — Strängnäs, 1991-2020¹²Official
Average night-time low by month	Jan -5.07 · Feb -5.58 · Mar -3.26 · Apr 0.279 · May 4.94 · Jun 9.3 · Jul 11.95 · Aug 11.23 · Sep 7.5 · Oct 3.24 · Nov -0.123 · Dec -3.41 °C	31 Dec 2020	SMHI Mean minimum temperature — Strängnäs, 1991-2020¹³Official
Average temperature by month	Jan -2.1 · Feb -2.23 · Mar 0.732 · Apr 5.61 · May 10.8 · Jun 14.88 · Jul 17.61 · Aug 16.46 · Sep 11.89 · Oct 6.57 · Nov 2.55 · Dec -0.59 °C	31 Dec 2020	SMHI Normal monthly temperature — Strängnäs, 1991-2020¹⁴Official

Annual PM2.5 over time6 published observations, 2017–2023

3.8

5.0

6.1

7.2

4.12017201920212023

Annual PM2.5 fell 18.8% between 2017 and 2023, from 5.0 to 4.1.

Population and city profile

The city covered 742.6 km² in 2026. Population density was 53 people per km² in 2025.

How many people live in Strängnäs?

The published population was 39,313 people in 2024. Source: SCB table BefArealTathetKon: municipality land area/population by year.¹¹

Who lives hereResidents by nationality, % of population

By nationality

National passport93.2%

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

Metric	Value	Period	Source
Area	742.6 km²	31 Dec 2025	Statistics Sweden (SCB)¹⁷Official
Cars per 1,000 residents	525.7 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	742.6 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	6.75 %	31 Dec 2025	Statistics Sweden (SCB)¹⁸Official
Foreign residents	2,658 people	31 Dec 2025	Official number of foreign citizens at municipality grain, all ages and all sexes, reference 31 December 2025.⁶Official
Population density	53 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	19,586 people	31 Dec 2025	Statistics Sweden (SCB)²⁰Official
Male residents	19,586 people	31 Dec 2025	Statistics Sweden (SCB)²⁰Official
Population	39,313 people	31 Dec 2024	SCB table BefArealTathetKon: municipality land area/population by year.¹¹Official

International community in Strängnäs

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	39,313	100.0%
Sweden	32,660	83.1%
Finland	967	2.5%
Syrian Arab Republic	693	1.8%
Iraq	328	0.8%
Poland	313	0.8%
Lithuania	306	0.8%
Afghanistan	268	0.7%
other countries	255	0.6%
Bosnia and Herzegovina	208	0.5%

Show 68 more groups

Published group	People	Share
Eritrea	196	0.5%
Germany	170	0.4%
Ukraine	170	0.4%
Thailand	162	0.4%
Türkiye	146	0.4%
Chile	144	0.4%
United Kingdom	135	0.3%
Romania	127	0.3%
Norway	123	0.3%
Iran (Islamic Republic of)	120	0.3%
United States of America	85	0.2%
Hungary	81	0.2%
Russian Federation	77	0.2%
Yugoslavia	77	0.2%
Somalia	75	0.2%
Latvia	72	0.2%
Croatia	68	0.2%
India	66	0.2%
Denmark	63	0.2%
Estonia	61	0.2%
Brazil	57	0.1%
Kingdom of the Netherlands	55	0.1%
Philippines	52	0.1%
Serbia	51	0.1%
China	49	0.1%
Greece	45	0.1%
Egypt	38	0.1%
France	38	0.1%
Colombia	37	0.1%
Gambia	33	0.1%
Italy	31	0.1%
Spain	28	0.1%
Korea, Republic of Korea	27	0.1%
Ethiopia	26	0.1%
Peru	25	0.1%
Uganda	25	0.1%
Lebanon	23	0.1%
Saudi Arabia	23	0.1%
Viet Nam	23	0.1%
Bulgaria	22	0.1%
Morocco	20	0.1%
Sudan	20	0.1%
Burundi	19	0.0%
Jordan	18	0.0%
Libyan Arab Jamahiriya	18	0.0%
Czechoslovakia	17	0.0%
Pakistan	16	0.0%
United Arab Emirates	15	0.0%
Austria	15	0.0%
Azerbaijan	15	0.0%
Nigeria	15	0.0%
Tunisia	15	0.0%
Democratic Republic of the Congo	14	0.0%
North Macedonia	14	0.0%
Mongolia	14	0.0%
Australia	13	0.0%
Bangladesh	12	0.0%
Israel	12	0.0%
Sri Lanka	12	0.0%
Taiwan	12	0.0%
Venezuela	12	0.0%
Indonesia	11	0.0%
Japan	11	0.0%
Serbia and Montenegro	10	0.0%
Ireland	10	0.0%
Kazakhstan	10	0.0%
Soviet Union	10	0.0%
unknown country of birth	9	0.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source²²

Citizenship

Registered population by municipality and citizenship; total sex · 2024

Published group	People	Share
total	39,313	100.0%
Swedish	36,558	93.0%
European citizenship except Swedish	1,769	4.5%
Rest of the world incl. Stateless and unknown	986	2.5%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source²¹

Additional context

Metric	Value	Period	Source
Households	17,962 households	31 Dec 2024	Statistics Sweden (SCB)¹⁹Official
Municipal tax rate	21.15	27 Aug 2026	migrationfit.com⁵Official

Alternatives for people set on Strängnäs

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.

Falun as a Strängnäs alternative in the same country

A move, not a commute, at 157 km, better on 4 of 7 metrics measured the same way, worse on 2.

Foreign residents: 3.6% Falun vs 6.7% Strängnäs−46%
Unemployment: 8.3% Falun vs 10.6% Strängnäs−22%
Recorded crime, per 100k: 7,480 Falun vs 9,362 Strängnäs−20%
Residents: 59,945 Falun vs 39,313 Strängnäs+52%
Rent: €10.20/m² Falun vs €10.79/m² Strängnäs−6%
Nearest airport: 21.5 km Falun vs 33.3 km Strängnäs−35%
Median gross pay, region: €3,172 Falun vs €3,416 Strängnäs−7%

Full comparison More about Falun

Alternative cities in Sweden

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

All Sweden cities

Härryda40,003 residents Vänersborg40,041 residents Sandviken38,360 residents Lidköping40,425 residents Vellinge37,816 residents Åkersberga37,714 residents

How does Strängnäs compare?

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

Open the full comparison

Strängnäs in rankings

#16 of 30 in Cities with cleanest air in Sweden

Is Strängnäs part of Stockholm?

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

Relationship type: Commuting Zone Of. Source⁴

Put Strängnäs'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 Strängnäs?

The published population was 39,313 people in 2024. Source: SCB table BefArealTathetKon: municipality land area/population by year..

How much does it cost to rent in Strängnäs?

Average net cold rent is about 10.79 EUR/m² per month (2025), excluding heating and operating charges. For a 70 m² flat that is about 755 EUR a month before utilities. Source: api.scb.se.

Is the air quality good in Strängnäs?

The annual PM2.5 mean is about 4.1 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 Strängnäs?

Police recorded 9,362 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 Strängnäs?

The unemployment rate is 10.6 % (2024). Source: SCB labour-market variables by municipality, 2022–2024.

What is the typical salary around Strängnäs?

The median gross salary is 3,416 EUR/month. Source: api.scb.se.

Is Strängnäs a good place to live?

Strängnäs 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 Strängnäs part of Stockholm?

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

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

The official country of birth distribution records 39,313 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). Strängnäs, Sweden: population, rent, salary, cost of living [ImmigrationDB compilation; version 1d217cff93f10545c94e8060bd4d817d]. ImmigrationDB. https://immigrationdb.com/cities/se/strangnas/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

BibTeX citation

@misc{immigrationdb_immigrationdb_strangnas-sweden-population-rent-salary-cost-of-living_178a33cf3897,
  author = {ImmigrationDB},
  title = {Strängnäs, Sweden: population, rent, salary, cost of living},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {1d217cff93f10545c94e8060bd4d817d},
  url = {https://immigrationdb.com/cities/se/strangnas/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}

Markdown citation

[Strängnäs, Sweden: population, rent, salary, cost of living](https://immigrationdb.com/cities/se/strangnas/) — ImmigrationDB; ImmigrationDB; version 1d217cff93f10545c94e8060bd4d817d; 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
SMHI Mean maximum temperature — Strängnäs, 1991-2020 SMHI Mean maximum temperature · smhi.se · checked 2026-07-26
SMHI Mean minimum temperature — Strängnäs, 1991-2020 SMHI Mean minimum temperature · smhi.se · checked 2026-07-26
SMHI Normal monthly temperature — Strängnäs, 1991-2020 SMHI Normal monthly temperature · smhi.se · checked 2026-07-26
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

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.