Municipality · South Holland

Municipality of Westland: Migration background and origin

On 1 January 2026, the municipality of Westland had 118,870 residents. 21.4% of them (25,460 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than South Holland (38.5%) and lower than the national average (29.1%). The largest origin groups are other Europe (5.5%), Poland (3.4%) and other Asia (3.0%). 62.4% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 4.1 percentage points.

Residents: 118,870 on 1 January 2026
Migration background: 21.4% 25,460 people
Born abroad: 62.4% of those with a migration background
Change since 2022: +4.1 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

79% 21%

Dutch origin 78.6% 93,415
Migration background 21.4% 25,460

Largest origin groups

Bars show each group’s share of all residents of Westland. For comparison, the line marks South Holland and the circle the Netherlands.

Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

5.5% 6,485 people

South Holland 7.1% Netherlands 5.6%
Poland

3.4% 4,100 people

South Holland 1.8% Netherlands 1.4%
Other Asia Asia excluding Indonesia and Turkey

3.0% 3,605 people

South Holland 6.5% Netherlands 5.3%
Morocco

1.7% 2,040 people

South Holland 3.6% Netherlands 2.4%
Turkey

1.6% 1,850 people

South Holland 4.1% Netherlands 2.6%
Suriname

1.3% 1,520 people

South Holland 4.0% Netherlands 2.0%
Indonesia

1.1% 1,355 people

South Holland 2.1% Netherlands 1.9%
Other Africa Africa excluding Morocco

1.1% 1,325 people

South Holland 3.1% Netherlands 2.3%
Germany

0.93% 1,110 people

South Holland 1.4% Netherlands 1.9%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.92% 1,090 people

South Holland 2.1% Netherlands 1.7%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.57% 675 people

South Holland 2.2% Netherlands 1.1%
Belgium

0.25% 300 people

South Holland 0.53% Netherlands 0.76%

First and second generation

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

62% 38%

Born abroad (first generation) 62.4% 15,880
Born in the Netherlands (second generation) 37.7% 9,600

Men and women

Men: 59,115
Women: 59,760

Compared with all municipalities

Netherlands 29.1% Westland 21.4%

Higher than 63% of all municipalities in the Netherlands

Trend since 1998

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

Show

Measure % Residents

New CBS classification

21.4%

Westland
South Holland
Netherlands

Show as table

Year	Westland	South Holland	Netherlands
1998	7.6%	22.1%	16.7%
1999	7.8%	22.7%	17.1%
2000	8.1%	23.2%	17.5%
2001	8.2%	23.9%	18.0%
2002	8.4%	24.6%	18.4%
2003	8.7%	25.2%	18.8%
2004	8.4%	25.7%	19.0%
2005	8.6%	26.0%	19.2%
2006	8.8%	26.3%	19.3%
2007	9.0%	26.5%	19.4%
2008	9.4%	26.9%	19.6%
2009	9.5%	27.4%	19.9%
2010	9.8%	28.0%	20.3%
2011	10.1%	28.5%	20.6%
2012	12.1%	29.0%	20.9%
2013	12.6%	29.3%	21.1%
2014	13.0%	29.6%	21.4%
2015	13.7%	30.1%	21.7%
2016	14.0%	30.6%	22.1%
2017	14.2%	31.2%	22.6%
2018	15.1%	31.8%	23.1%
2019	15.4%	32.4%	23.6%
2020	16.0%	33.1%	24.2%
2021	16.4%	33.6%	24.6%
2022	17.4%	35.1%	26.0%
2023	18.9%	36.3%	27.1%
2024	19.5%	37.1%	27.9%
2025	20.2%	37.8%	28.5%
2026	21.4%	38.5%	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 Westland

				Largest group
's-Gravenzande	16.9%	24,540	+3.0 pp	Other Europe
Naaldwijk	19.5%	23,025	+2.8 pp	Other Europe
Wateringen	26.5%	16,670	+3.4 pp	Other Europe
Monster	23.2%	15,005	+5.2 pp	Other Europe
De Lier	16.4%	13,470	+4.2 pp	Other Europe
Poeldijk	25.3%	8,425	+6.8 pp	Other Asia
Honselersdijk	30.6%	8,300	+7.6 pp	Other Europe
Maasdijk	22.4%	4,650	+4.7 pp	Other Europe
Kwintsheul	21.5%	4,045	+3.7 pp	Other Europe
Ter Heijde	20.9%	740	+2.5 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 residents	Dutch origin	Migration background	Europe	Outside Europe	Turkey	Morocco	Suriname	Indonesia	Dutch Caribbean	Germany	Poland	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	93,800	86,660	7,125	2,565	4,600	270	1,280	455	1,240	100	1,120	95	245	1,105	335	605	320	3,970	3,140
1999	94,405	87,030	7,385	2,595	4,800	305	1,310	485	1,245	115	1,100	100	245	1,150	335	665	340	4,030	3,330
2000	94,940	87,250	7,675	2,710	4,950	345	1,310	495	1,240	115	1,125	100	260	1,230	355	720	370	4,175	3,505
2001	95,255	87,450	7,805	2,780	5,000	335	1,295	475	1,235	125	1,110	110	250	1,310	375	765	395	4,210	3,590
2002	95,920	87,805	8,100	2,905	5,220	340	1,320	465	1,220	125	1,105	110	260	1,430	440	895	415	4,340	3,785
2003	96,380	88,015	8,370	2,950	5,405	365	1,335	485	1,220	140	1,095	130	265	1,460	445	1,010	410	4,380	3,985
2004	97,270	89,075	8,200	2,940	5,225	380	1,355	505	1,210	155	1,090	145	245	1,460	335	885	410	4,370	3,840
2005	97,860	89,460	8,410	3,020	5,375	420	1,340	545	1,225	150	1,060	230	250	1,480	320	950	430	4,485	3,920
2006	98,325	89,695	8,640	3,205	5,470	405	1,330	590	1,240	180	1,095	350	255	1,505	345	955	430	4,635	4,015
2007	98,880	89,925	8,940	3,335	5,585	445	1,370	605	1,215	205	1,095	430	260	1,550	345	1,000	410	4,755	4,185
2008	99,305	89,985	9,320	3,515	5,835	465	1,385	610	1,250	215	1,095	585	260	1,575	410	1,075	425	4,955	4,390
2009	99,445	89,945	9,475	3,640	5,830	495	1,400	610	1,220	215	1,080	655	250	1,655	395	1,065	435	5,035	4,430
2010	99,725	89,940	9,775	3,715	6,065	515	1,435	630	1,240	215	1,085	675	265	1,690	455	1,120	465	5,115	4,640
2011	99,765	89,720	10,050	3,825	6,240	545	1,420	640	1,200	245	1,085	800	270	1,670	505	1,185	500	5,240	4,815
2012	101,980	89,600	12,390	5,985	6,415	595	1,495	640	1,215	265	1,090	2,845	280	1,770	545	1,170	495	7,410	4,975
2013	102,700	89,730	12,935	6,355	6,565	615	1,540	650	1,215	300	1,080	3,175	270	1,830	545	1,205	495	7,775	5,140
2014	103,240	89,800	13,440	6,595	6,845	620	1,575	665	1,225	325	1,075	3,375	275	1,870	600	1,300	535	8,040	5,395
2015	104,300	90,005	14,295	7,275	7,020	625	1,590	680	1,220	325	1,070	3,880	270	2,055	655	1,365	565	8,730	5,555
2016	104,965	90,320	14,645	7,285	7,350	640	1,645	705	1,230	355	1,095	3,780	265	2,145	700	1,485	590	8,765	5,870
2017	105,630	90,675	14,955	7,330	7,630	645	1,675	730	1,235	360	1,090	3,545	275	2,420	775	1,610	600	8,810	6,140
2018	107,490	91,270	16,220	8,165	8,050	680	1,725	785	1,255	385	1,085	3,845	280	2,955	815	1,770	635	9,680	6,535
2019	108,605	91,930	16,675	8,130	8,535	755	1,740	870	1,275	410	1,095	3,790	285	2,960	905	1,935	645	9,660	7,015
2020	110,360	92,720	17,640	8,565	9,070	845	1,800	980	1,295	435	1,105	3,990	295	3,175	940	2,055	725	10,130	7,515
2021	111,380	93,165	18,215	8,640	9,575	940	1,845	1,085	1,295	495	1,120	3,975	285	3,260	1,000	2,175	740	10,235	7,990
2022	112,450	92,905	19,515	8,970	10,570	1,085	1,895	1,110	1,355	545	1,110	4,100	320	3,435	1,075	2,540	920	10,525	8,450
2023	114,880	93,195	21,715	10,435	11,265	1,260	1,910	1,190	1,340	565	1,130	4,050	320	4,960	1,185	2,820	970	12,085	9,070
2024	115,935	93,300	22,650	10,685	11,955	1,430	1,950	1,295	1,355	605	1,115	4,080	305	5,185	1,220	3,095	1,020	–	–
2025	116,915	93,355	23,570	10,965	12,600	1,580	1,995	1,370	1,360	650	1,120	4,005	300	5,550	1,275	3,325	1,055	–	–
2026	118,870	93,415	25,460	12,010	13,450	1,850	2,040	1,520	1,355	675	1,110	4,100	300	6,485	1,325	3,605	1,090	–	–

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