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Living in Olen

Olen is a city in Belgium. Olen had a population of 12,945 at the start of 2026. The unemployment rate was 4.76% at the start of 2011.

Less recorded crime than 72% of Belgian cities that publish it and dirtier air than 92% of Belgian cities that publish it.

Which Belgium-wide rules apply when you move to Olen?

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

Housing and cost

No city-level rent or cost figure is published for Olen yet. Belgium has country-level context; it is not substituted for this city.

MetricValuePeriodSource
Dwellings5,299 dwellings1 Jan 2021Statbel Census 2021 municipality housing units10Official
G05 Main Residential Dwellings5,295 dwellings31 Dec 2021Statbel (Directorate-general Statistics — Statistics Belgium)9Official

Work and income

What is the unemployment rate in Olen?

The unemployment rate is about 4.8 % (January 2011).

  • Unemployment rate: 4.76 % · Statbel be.STAT — unemployment rate of 15–64-year-olds by municipality, Census 201117
Unemployment across cities in BelgiumUnemployment in Olen is 4.8%. Of 506 cities with data, 160 have unemployment of 2 to under 4%.
unemployment rate, % · measured cities in Belgium per band1 city: 0% to under 2%10–2160 cities: 2% to under 4%1602–4123 cities: 4% to under 6%1234–6Olen 4.8%70 cities: 6% to under 8%706–857 cities: 8% to under 10%578–1026 cities: 10% to under 12%2610–1220 cities: 12% to under 14%2012–1416 cities: 14% to under 16%1614–1613 cities: 16% to under 18%1316–1810 cities: 18% to under 20%1018–206 cities: 20% to under 22%620–223 cities: 22% to under 24%322–241 city: 24% to under 26%124–26

Unemployment rate (%)

MetricValuePeriodSource
Gigabit broadband availability97.38 %Jun 2025BIPT/IBPT fixed broadband Atlas municipality row: H_rate_1000 is the share of households with access to fixed broadband at a maximum attainable speed of at least 1,000 Mbps; availability, not subscribed plan or measured speed. H_1000 is the covered-household count and total_households is the denominator.2Official
Unemployment rate4.76 %country median 5.3%1 Jan 2011Statbel be.STAT — unemployment rate of 15–64-year-olds by municipality, Census 201117Independent

Public employment service

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

Country-level information

Actiris — Public employment service

Actiris Brussels public employment service

Job Search

Le Forem — Public employment service

Le Forem Walloon public employment and training service

Job SearchRegistration

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

Safety

How safe is Olen?

Police recorded about 4,179 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: 4,179 offences per 100,000 · Belgian Federal Police — recorded total offences by municipality, Q4 202516
Recorded crime across major citiesOlen highlighted among comparable cities
Recorded crime across major cities with Olen highlighted14,236Ixelles14,026Charleroi11,116Anderlecht10,154Seraing10,141Schaerbeek10,075Molenbeek-Saint-Jean9,031Hasselt7,894Genk7,680Uccle6,914La Louvière6,684Woluwe-Saint-Lambert4,179Olenrecorded incidents per 100k residents
MetricValuePeriodSource
Recorded incidents per 100,000 residents4,179 offences per 100,000country median 5,13631 Dec 2025Belgian Federal Police — recorded total offences by municipality, Q4 202516Independent

Climate and air quality

Annual PM2.5 was 8.77 µg/m³ at the end of 2024. Annual NO₂ was 10.8 µg/m³ at the end of 2024.

Is the air quality good in Olen?

The annual PM2.5 mean is about 8.8 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³.

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

  • PM2.5 — annual mean: 8.77 µg/m³ · Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 62093; period 2024-01-01..2024-12-318
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
Olen annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit5258.8PM2.5154015.4PM10104010.8NO₂µg/m³

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

PM2.5 across cities in BelgiumAnnual PM2.5 in Olen is 8.8 µg/m³. Of 439 cities with data, 142 have annual PM2.5 of 8 to under 9 µg/m³.
annual PM2.5, µg/m³ · measured cities in Belgium per band1 city: 2 µg/m³ to under 3 µg/m³12–317 cities: 3 µg/m³ to under 4 µg/m³173–473 cities: 4 µg/m³ to under 5 µg/m³734–557 cities: 5 µg/m³ to under 6 µg/m³575–654 cities: 6 µg/m³ to under 7 µg/m³546–783 cities: 7 µg/m³ to under 8 µg/m³837–8142 cities: 8 µg/m³ to under 9 µg/m³1428–9Olen 8.812 cities: 9 µg/m³ to under 10 µg/m³129–10

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
NO₂ — annual mean10.77 µg/m³country median 9.031 Dec 2024Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 11055; period 2024-01-01..2024-12-316Official
PM10 — annual mean15.4 µg/m³country median 13.231 Dec 2024Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 13019; period 2024-01-01..2024-12-317Official
PM2.5 — annual mean8.77 µg/m³country median 7.431 Dec 2024Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 62093; period 2024-01-01..2024-12-318Official

Cities of a similar size in Belgium

Closest published populations, for a like-for-like comparison.

All Belgium cities

Population and city profile

The city covered 23.1 km² in 2025. Population density was 559.7 people per km² in 2026.

How many people live in Olen?

The published population was 12,945 people in January 2026. Source: Belgium official denominator source1

Who lives hereResidents by nationality, % of population
Olen residents by nationalityBy nationalityNational passport94.9%Foreign residents 5.1%

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

MetricValuePeriodSource
City area23.13 km²1 Jan 2025Official cadastral total area by municipality; 2025 superficie totale (ha), converted to km2.3Official
Foreign residents660 people1 Jan 2026Official population by nationality at municipality grain; foreign population is TOTAL minus Belgique in the TOTAL row.4Official
Population density559.7 people/km²1 Jan 2026Official resident population by Belgian municipality on 1 January 2026; Total column.5Official
Population12,945 people1 Jan 2026Belgium official denominator source1Official

International community in Olen

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

Country of birth

All persons in Statbel Census 2021 municipality rows; the published male and female category rows are summed to total sex · 2021-01-01

Published groupPeopleShare
Total population12,600100.0%
Born in Belgium11,79893.6%
Born in another EU member state4143.3%
Born in a non-EU country3853.1%
Not indicated30.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source15

Citizenship

All persons in Statbel Census 2021 municipality rows; the published male and female category rows are summed to total sex · 2021-01-01

Published groupPeopleShare
Total population12,600100.0%
Belgian nationality12,07495.8%
Foreign nationality: other EU member state3823.0%
Foreign nationality: non-EU country1411.1%
Not indicated30.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source13

Ancestry or ethnicity

All persons in the Statbel 2021-01-01 municipal origin publication · 2021-01-01

Published groupPeopleShare
Total — Belgian of Belgian origin — born in Belgium11,09488.0%
Total — Total population12,600100.0%
Total — Total population — born in Belgium11,79893.6%
Belgique — Belgian of Belgian origin — total11,15788.5%
Belgique — Total population11,15788.5%
Total — Belgian of Belgian origin — total11,15788.5%
Belgique — Belgian of Belgian origin — born in Belgium11,09488.0%
Belgique — Total population — born in Belgium11,09488.0%
Total — Total Belgian with foreign origin9177.3%
Total — Total population — born outside Belgium8026.4%
Total — Total Belgian with foreign origin — born in Belgium6395.1%
Show 69 more groups
Published groupPeopleShare
Hors UE27 — Total population5964.7%
Total — Non-Belgian — total5264.2%
Pays voisin* — Total population4833.8%
Total — Non-Belgian — born outside Belgium4613.7%
Hors UE27 — Total Belgian with foreign origin4493.6%
Total — Foreign-origin Belgian, first nationality foreign — total4113.3%
Total — Foreign-origin Belgian, first nationality Belgian, one parent foreign — total4083.2%
Total — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born in Belgium3963.1%
UE27 (excl. pays voisin) — Total population3642.9%
Pays voisin* — Total Belgian with foreign origin3462.7%
Hors UE27 — Total population — born outside Belgium3202.5%
Pays voisin* — Total population — born in Belgium3142.5%
Pays voisin* — Total Belgian with foreign origin — born in Belgium2942.3%
Total — Total Belgian with foreign origin — born outside Belgium2782.2%
Hors UE27 — Total population — born in Belgium2762.2%
Total — Foreign-origin Belgian, first nationality foreign — born outside Belgium2612.1%
Hors UE27 — Total Belgian with foreign origin — born in Belgium2582.0%
UE27 (excl. pays voisin) — Total population — born outside Belgium2502.0%
UE27 (excl. pays voisin) — Non-Belgian — total2421.9%
Hors UE27 — Foreign-origin Belgian, first nationality foreign — total2371.9%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, one parent foreign — total2211.8%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born in Belgium2151.7%
UE27 (excl. pays voisin) — Non-Belgian — born outside Belgium2151.7%
Hors UE27 — Total Belgian with foreign origin — born outside Belgium1911.5%
Hors UE27 — Foreign-origin Belgian, first nationality foreign — born outside Belgium1851.5%
Pays voisin* — Total population — born outside Belgium1691.3%
Total — Foreign-origin Belgian, first nationality foreign — born in Belgium1501.2%
Hors UE27 — Non-Belgian — total1471.2%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, one parent foreign — total1371.1%
Pays voisin* — Non-Belgian — total1371.1%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born in Belgium1321.0%
Hors UE27 — Non-Belgian — born outside Belgium1291.0%
UE27 (excl. pays voisin) — Total Belgian with foreign origin1221.0%
Pays voisin* — Non-Belgian — born outside Belgium1170.9%
UE27 (excl. pays voisin) — Total population — born in Belgium1140.9%
Pays voisin* — Foreign-origin Belgian, first nationality foreign — total1110.9%
Total — Foreign-origin Belgian, first nationality Belgian, two parents foreign — total980.8%
Total — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born in Belgium930.7%
UE27 (excl. pays voisin) — Total Belgian with foreign origin — born in Belgium870.7%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, two parents foreign — total750.6%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born in Belgium740.6%
Pays voisin* — Foreign-origin Belgian, first nationality foreign — born in Belgium690.5%
Total — Non-Belgian — born in Belgium650.5%
Belgique — Belgian of Belgian origin — born outside Belgium630.5%
Belgique — Total population — born outside Belgium630.5%
Total — Belgian of Belgian origin — born outside Belgium630.5%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality foreign — total630.5%
Hors UE27 — Foreign-origin Belgian, first nationality foreign — born in Belgium520.4%
Pays voisin* — Total Belgian with foreign origin — born outside Belgium520.4%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality Belgian, one parent foreign — total500.4%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born in Belgium490.4%
Pays voisin* — Foreign-origin Belgian, first nationality foreign — born outside Belgium420.3%
UE27 (excl. pays voisin) — Total Belgian with foreign origin — born outside Belgium350.3%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality foreign — born outside Belgium340.3%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality foreign — born in Belgium290.2%
UE27 (excl. pays voisin) — Non-Belgian — born in Belgium270.2%
Pays voisin* — Non-Belgian — born in Belgium200.2%
Hors UE27 — Non-Belgian — born in Belgium180.1%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, two parents foreign — total140.1%
Total — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born outside Belgium120.1%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born in Belgium100.1%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born in Belgium90.1%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality Belgian, two parents foreign — total90.1%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born outside Belgium60.0%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born outside Belgium50.0%
Total — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born outside Belgium50.0%
Pays voisin* — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born outside Belgium40.0%
Hors UE27 — Foreign-origin Belgian, first nationality Belgian, two parents foreign — born outside Belgium10.0%
UE27 (excl. pays voisin) — Foreign-origin Belgian, first nationality Belgian, one parent foreign — born outside Belgium10.0%

Largest published groups; zero-count groups are omitted. Dimensions are source-native and are never merged. Official source14

Is Olen 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 housing · range 44–64%
Skilled employee58%strong on work, weak on education · range 48–68%
Student54%strong on cost, weak on education · range 43–65%
Family46%strong on family, weak on education · range 36–56%
Retirement50%strong on air quality, weak on admin · range 39–61%
Foreign residents660 people1 Jan 2026Official source · Official population by nationality at municipality grain; foreign population is TOTAL minus Belgique in the TOTAL row.
Population12,945 people1 Jan 2026Official source · Belgium official denominator source
Dwellings5,299 dwellings1 Jan 2021Official source · Statbel Census 2021 municipality housing units
Gigabit broadband availability97.38 %Jun 2025Official source · BIPT/IBPT fixed broadband Atlas municipality row: H_rate_1000 is the share of households with access to fixed broadband at a maximum attainable speed of at least 1,000 Mbps; availability, not subscribed plan or measured speed. H_1000 is the covered-household count and total_households is the denominator.
Unemployment rate4.76 %1 Jan 2011Independent source · Statbel be.STAT — unemployment rate of 15–64-year-olds by municipality, Census 2011
NO₂ — annual mean10.77 µg/m³31 Dec 2024Official source · Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 11055; period 2024-01-01..2024-12-31
Every value keeps its source, geographic scope and verification date · Last checked 2026-08-07

Additional context

MetricValuePeriodSource
Residents born abroad6.34 %1 Jan 2021Statbel Census 2021 municipality population by birthplace11Official
Median age44.3 years1 Jan 2021Statbel Census 2021 municipality population by sex and age12Official

Yes — migrants can receive medical care in Olen 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.

Common questions

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

How many people live in Olen?

The published population was 12,945 people in January 2026. Source: Belgium official denominator source.

Is the air quality good in Olen?

The annual PM2.5 mean is about 8.8 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 62093; period 2024-01-01..2024-12-31.

How safe is Olen?

Police recorded about 4,179 incidents per 100,000 (2025). This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: Belgian Federal Police — recorded total offences by municipality, Q4 2025.

What is the unemployment rate in Olen?

The unemployment rate is about 4.8 % (January 2011). Source: Statbel be.STAT — unemployment rate of 15–64-year-olds by municipality, Census 2011.

How many foreign residents live in Olen?

660 people residents hold a foreign nationality. Source: Official population by nationality at municipality grain; foreign population is TOTAL minus Belgique in the TOTAL row..

Is Olen a good place to live?

Olen 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.

How many people born in Born in another EU member state live in Olen?

The official country of birth distribution records 414 people (3.3%) in the source-defined population for 2021-01-01. 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, September 12). Olen, Belgium: jobs, safety, air quality [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/be/olen/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_olen-belgium-jobs-safety-air-quality_5b883402af73,
  author = {ImmigrationDB},
  title = {Olen, Belgium: jobs, safety, air quality},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-12},
  version = {approved-static-d7ed373c115d60d0},
  snapshot = {approved-static-d7ed373c115d60d0},
  url = {https://immigrationdb.com/cities/be/olen/},
  note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Olen, Belgium: jobs, safety, air quality](https://immigrationdb.com/cities/be/olen/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0; retrieved 2026-09-12; built 2026-09-12.

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. Belgium official denominator source statbel.fgov.be · checked 2026-07-14
  2. BIPT/IBPT fixed broadband Atlas municipality row: H_rate_1000 is the share of households with access to fixed broadband at a maximum attainable speed of at least 1,000 Mbps; availability, not subscribed plan or measured speed. H_1000 is the covered-household count and total_households is the denominator. bipt-data.be · checked 2026-07-15
  3. Official cadastral total area by municipality; 2025 superficie totale (ha), converted to km2. statbel.fgov.be · checked 2025-01-01
  4. Official population by nationality at municipality grain; foreign population is TOTAL minus Belgique in the TOTAL row. statbel.fgov.be · checked 2026-01-01
  5. Official resident population by Belgian municipality on 1 January 2026; Total column. statbel.fgov.be · checked 2026-01-01
  6. Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 11055; period 2024-01-01..2024-12-31 ftp.irceline.be · checked 2024-12-31
  7. Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 13019; period 2024-01-01..2024-12-31 ftp.irceline.be · checked 2024-12-31
  8. Official RIO v2025 annual mean derived from daily population-weighted municipality concentrations for NIS5 62093; period 2024-01-01..2024-12-31 ftp.irceline.be · checked 2024-12-31
  9. Statbel (Directorate-general Statistics — Statistics Belgium) Statbel (Directorate-general Statistics · statbel.fgov.be · checked 2026-08-07
  10. Statbel Census 2021 municipality housing units statbel.fgov.be · checked 2026-07-16
Show 7 more sources
  1. Statbel Census 2021 municipality population by birthplace statbel.fgov.be · checked 2026-07-16
  2. Statbel Census 2021 municipality population by sex and age statbel.fgov.be · checked 2026-07-16
  3. Statbel, Belgian statistical office statbel.fgov.be · checked 2026-08-30
  4. Statbel, Belgian statistical office statbel.fgov.be · checked 2026-08-30
  5. Statbel, Belgian statistical office country_of_birth statbel.fgov.be · checked 2026-08-29
  6. Belgian Federal Police — recorded total offences by municipality, Q4 2025 Belgian Federal Police · police.be · checked 2026-07-26
  7. Statbel be.STAT — unemployment rate of 15–64-year-olds by municipality, Census 2011 Statbel be.STAT · bestat.statbel.fgov.be · checked 2026-07-26

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.