migration-background.nl

Municipality · Utrecht

Municipality of De BiltMigration background and origin

On 1 January 2026, the municipality of De Bilt had 43,685 residents. 22.6% of them (9,880 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than Utrecht (28.1%) and lower than the national average (29.1%). The largest origin groups are other Europe (4.2%), other Asia (4.0%) and Morocco (3.3%). 50.6% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.0 percentage points.

Residents
43,685 on 1 January 2026
Migration background
22.6% 9,880 people
Born abroad
50.6% of those with a migration background
Change since 2022
+2.0 pp in share with a migration background
Migration background, share of residents

Share of residents with a migration background per postcode.

Where residents come from

Origin of residents on 1 January 2026, as a share of all residents.

Dutch origin and migration background

  • Dutch origin 77.4% 33,805
  • Migration background 22.6% 9,880

Largest origin groups

Bars show each group’s share of all residents of Municipality of De Bilt. For comparison, the line marks Utrecht and the circle the Netherlands.

  • Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland
    4.2% 1,840 people
    Utrecht 4.9% Netherlands 5.6%
  • Other Asia Asia excluding Indonesia and Turkey
    4.0% 1,755 people
    Utrecht 5.4% Netherlands 5.3%
  • Morocco
    3.3% 1,440 people
    Utrecht 4.4% Netherlands 2.4%
  • Indonesia
    2.9% 1,280 people
    Utrecht 2.2% Netherlands 1.9%
  • Other Africa Africa excluding Morocco
    1.8% 795 people
    Utrecht 2.2% Netherlands 2.3%
  • Germany
    1.7% 735 people
    Utrecht 1.5% Netherlands 1.9%
  • Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean
    1.6% 710 people
    Utrecht 1.8% Netherlands 1.7%
  • Suriname
    0.84% 365 people
    Utrecht 1.4% Netherlands 2.0%
  • Turkey
    0.72% 315 people
    Utrecht 2.5% Netherlands 2.6%
  • Belgium
    0.62% 270 people
    Utrecht 0.50% Netherlands 0.76%
  • Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba
    0.54% 235 people
    Utrecht 0.75% Netherlands 1.1%
  • Poland
    0.35% 155 people
    Utrecht 0.67% Netherlands 1.4%

First and second generation

Residents with a migration background, by whether they were born abroad themselves.

  • Born abroad (first generation) 50.6% 4,995
  • Born in the Netherlands (second generation) 49.5% 4,895

Men and women

Men
21,060
Women
22,630

Compared with all municipalities

Higher than 67% of all municipalities in the Netherlands

Trend since 1998

Share of residents with a migration background, compared with larger areas.

Measure
  • Municipality of De Bilt
  • Utrecht
  • Netherlands
Show as table
Year Municipality of De BiltUtrechtNetherlands
1998 13.3%16.6%16.7%
1999 13.4%17.0%17.1%
2000 13.5%17.4%17.5%
2001 13.9%17.8%18.0%
2002 14.3%18.2%18.4%
2003 14.5%18.5%18.8%
2004 14.4%18.8%19.0%
2005 14.4%19.0%19.2%
2006 14.4%19.1%19.3%
2007 14.5%19.3%19.4%
2008 14.6%19.5%19.6%
2009 14.9%19.8%19.9%
2010 15.1%20.0%20.3%
2011 15.4%20.2%20.6%
2012 15.7%20.5%20.9%
2013 15.9%20.7%21.1%
2014 16.2%20.9%21.4%
2015 16.5%21.1%21.7%
2016 16.7%21.5%22.1%
2017 17.1%22.0%22.6%
2018 17.5%22.5%23.1%
2019 17.9%22.9%23.6%
2020 18.3%23.5%24.2%
2021 18.7%23.8%24.6%
2022 20.6%25.3%26.0%
2023 21.6%26.4%27.1%
2024 22.2%27.0%27.9%
2025 22.5%27.6%28.5%
2026 22.6%28.1%29.1%

In 2022 CBS switched to a new origin classification. Up to 2021 the line shows the old “migration background” figures; the overlap years show a small break (about +0.8 points nationally).

Cities and villages in Municipality of De Bilt

Largest group
Bilthoven 23,215 +2.8 pp Other Asia
De Bilt 10,825 +0.6 pp Other Europe
Maartensdijk 4,905 +2.2 pp Other Asia
Groenekan 2,010 +1.3 pp Other Europe
Hollandsche Rading 1,525 +1.4 pp Other Europe
Westbroek 1,205 +1.4 pp Other Europe

All figures

Number of residents per origin group on 1 January. Figures up to 2021 use the old CBS classification.

Year Total residentsDutch originMigration backgroundEuropeOutside EuropeTurkeyMoroccoSurinameIndonesiaDutch CaribbeanGermanyPolandBelgiumOther EuropeOther AfricaOther AsiaOther Americas & OceaniaWestern migration backgroundNon-Western migration background
1998 42,12536,5355,5902,0453,535954303651,645135910652108602103802753,8801,715
1999 42,35536,6555,6952,0353,675954503451,655135900752258352454453053,9001,800
2000 42,22536,5255,7002,0253,6801004903651,635125885752158502354402903,8601,855
2001 42,05036,2205,8302,0703,765855253501,635135875752109102604453303,9051,930
2002 42,30036,2606,0652,1553,930905503651,585155885852109753305153403,9552,100
2003 42,30536,1706,1302,1903,905955703551,585135910752259803355053254,0052,125
2004 42,20536,1606,0652,2003,850855953551,555135900752101,0153005003253,9452,095
2005 42,19036,1156,0952,1853,875855903801,545130905702209903105003353,9452,145
2006 42,04035,9806,0652,2003,865856053451,530135880852051,0303205103353,9052,150
2007 42,01535,9356,0752,1853,895956353101,535145880952051,0052955303503,9202,155
2008 42,00035,8856,1252,2503,885906053351,495135875902151,0703255453553,9502,180
2009 41,98035,7106,2652,2953,970956403451,4801508701102101,1053655453503,9702,295
2010 42,02035,6706,3502,3254,0601006753351,460155845902351,1553755703904,0202,350
2011 42,06035,5706,4752,3554,140957153501,4401608451052401,1653956003854,0202,455
2012 42,08535,4906,5902,4104,1751207303301,4351658501002401,2204156003804,0452,535
2013 42,03535,3556,6902,4204,3001257603101,4051558351152401,2304356754354,0502,625
2014 42,03535,2406,7952,4554,3301358053251,3901558501302401,2354406953854,0752,720
2015 42,17035,1956,9752,4654,5101408603351,3851608051402451,2754557504304,0902,885
2016 42,37535,2857,0902,4504,6451559053751,3501458051302401,2754558154454,0553,045
2017 42,76035,4407,3202,5204,8001559503601,3351507951352401,3504509504504,0853,230
2018 42,84035,3357,5052,5504,9501709553551,3251657851402401,3854751,0704354,1353,375
2019 42,82535,1807,6452,5605,0801659953451,3051657651252451,4255001,1354754,1303,505
2020 43,13535,2607,8752,6155,2601701,0303551,2901857651302401,4805501,1705104,1703,705
2021 43,39035,2908,1002,6755,4051851,1303701,2751707651552301,5255601,2155054,2253,870
2022 43,51034,5358,9702,8006,1802151,2953751,3801907751502701,6006401,4506354,2304,135
2023 43,88034,4009,4853,0656,4152701,3353751,3352107701702751,8556701,5406804,5054,375
2024 43,72533,9909,7203,0956,6302951,3503751,3252207801702701,8657401,630715––
2025 43,79033,9659,8403,0756,7653101,3653601,3102357601552751,8707651,725695––
2026 43,68533,8059,8803,0006,8853151,4403651,2802357351552701,8407951,755710––

Definitions and method · CBS 85640NED (2022–2026), 83503NED (1998–2023)