Municipality · South Holland

Municipality of Alphen aan den Rijn: Migration background and origin

On 1 January 2026, the municipality of Alphen aan den Rijn had 117,300 residents. 25.4% of them (29,745 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 Asia (5.0%), other Europe (4.1%) and Morocco (3.0%). 55.9% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 2.9 percentage points.

Residents: 117,300 on 1 January 2026
Migration background: 25.4% 29,745 people
Born abroad: 55.9% of those with a migration background
Change since 2022: +2.9 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

75% 25%

Dutch origin 74.6% 87,520
Migration background 25.4% 29,745

Largest origin groups

Bars show each group’s share of all residents of Municipality of Alphen aan den Rijn. For comparison, the line marks South Holland and the circle the Netherlands.

Other Asia Asia excluding Indonesia and Turkey

5.0% 5,895 people

South Holland 6.5% Netherlands 5.3%
Other Europe Europe excluding the Netherlands, Belgium, Germany and Poland

4.1% 4,820 people

South Holland 7.1% Netherlands 5.6%
Morocco

3.0% 3,555 people

South Holland 3.6% Netherlands 2.4%
Poland

2.4% 2,805 people

South Holland 1.8% Netherlands 1.4%
Indonesia

2.3% 2,725 people

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

1.9% 2,215 people

South Holland 3.1% Netherlands 2.3%
Suriname

1.6% 1,835 people

South Holland 4.0% Netherlands 2.0%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

1.4% 1,610 people

South Holland 2.1% Netherlands 1.7%
Turkey

1.4% 1,595 people

South Holland 4.1% Netherlands 2.6%
Germany

1.1% 1,290 people

South Holland 1.4% Netherlands 1.9%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.87% 1,020 people

South Holland 2.2% Netherlands 1.1%
Belgium

0.35% 410 people

South Holland 0.53% Netherlands 0.76%

First and second generation

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

56% 44%

Born abroad (first generation) 55.9% 16,630
Born in the Netherlands (second generation) 44.1% 13,120

Men and women

Men: 58,545
Women: 58,740

Compared with all municipalities

Netherlands 29.1% Alphen aan den Rijn 25.4%

Higher than 76% 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

25.4%

Municipality of Alphen aan den Rijn
South Holland
Netherlands

Show as table

Year	Municipality of Alphen aan den Rijn	South Holland	Netherlands
1998	13.8%	22.1%	16.7%
1999	14.3%	22.7%	17.1%
2000	14.7%	23.2%	17.5%
2001	15.0%	23.9%	18.0%
2002	15.4%	24.6%	18.4%
2003	15.7%	25.2%	18.8%
2004	15.7%	25.7%	19.0%
2005	15.9%	26.0%	19.2%
2006	15.9%	26.3%	19.3%
2007	16.0%	26.5%	19.4%
2008	16.4%	26.9%	19.6%
2009	16.7%	27.4%	19.9%
2010	17.0%	28.0%	20.3%
2011	17.2%	28.5%	20.6%
2012	17.4%	29.0%	20.9%
2013	17.6%	29.3%	21.1%
2014	17.8%	29.6%	21.4%
2015	18.1%	30.1%	21.7%
2016	18.5%	30.6%	22.1%
2017	19.2%	31.2%	22.6%
2018	19.7%	31.8%	23.1%
2019	20.3%	32.4%	23.6%
2020	20.8%	33.1%	24.2%
2021	21.2%	33.6%	24.6%
2022	22.4%	35.1%	26.0%
2023	23.4%	36.3%	27.1%
2024	24.0%	37.1%	27.9%
2025	24.5%	37.8%	28.5%
2026	25.4%	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 Municipality of Alphen aan den Rijn

				Largest group
Alphen aan den Rijn	29.6%	76,105	+3.4 pp	Other Asia
Boskoop	21.0%	17,055	+2.1 pp	Morocco
Hazerswoude-Rijndijk	17.2%	6,435	+2.6 pp	Other Europe
Hazerswoude-Dorp	12.2%	6,350	+1.6 pp	Other Asia
Koudekerk aan den Rijn	15.8%	4,125	+2.8 pp	Other Asia
Benthuizen	15.2%	4,085	+4.2 pp	Other Europe
Zwammerdam	19.2%	1,905	+3.3 pp	Other Europe
Aarlanderveen	10.1%	1,240	±0.0 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	102,945	88,725	14,230	3,890	10,325	680	1,805	1,335	3,580	610	1,495	155	315	1,925	695	1,065	555	7,775	6,460
1999	103,770	88,930	14,855	3,980	10,890	730	1,885	1,350	3,575	640	1,485	145	310	2,040	855	1,235	620	7,875	6,980
2000	104,345	89,035	15,315	4,060	11,260	750	1,985	1,350	3,535	715	1,500	160	315	2,085	950	1,370	605	7,910	7,410
2001	104,470	88,775	15,685	4,145	11,545	740	2,090	1,390	3,465	755	1,540	175	305	2,125	1,000	1,505	605	7,915	7,780
2002	105,025	88,845	16,190	4,240	11,950	775	2,150	1,365	3,425	795	1,555	180	300	2,205	1,140	1,645	655	7,990	8,190
2003	104,945	88,425	16,525	4,250	12,265	840	2,285	1,370	3,375	810	1,535	210	295	2,210	1,210	1,705	670	7,970	8,555
2004	104,680	88,190	16,485	4,230	12,220	850	2,375	1,385	3,320	790	1,500	205	280	2,245	1,185	1,665	650	7,875	8,620
2005	104,770	88,155	16,625	4,310	12,330	870	2,465	1,400	3,290	770	1,495	270	300	2,245	1,115	1,730	695	7,930	8,685
2006	105,140	88,360	16,765	4,395	12,405	865	2,520	1,390	3,270	765	1,490	315	285	2,305	1,120	1,765	710	7,965	8,810
2007	105,080	88,215	16,865	4,485	12,395	885	2,575	1,400	3,250	755	1,455	400	315	2,315	1,065	1,765	700	8,035	8,845
2008	105,585	88,265	17,310	4,610	12,720	935	2,630	1,420	3,235	785	1,450	470	325	2,365	1,135	1,875	710	8,165	9,160
2009	106,000	88,270	17,735	4,805	12,945	970	2,690	1,435	3,200	785	1,465	625	300	2,415	1,160	1,950	755	8,350	9,395
2010	106,170	88,110	18,080	4,900	13,150	990	2,735	1,445	3,175	815	1,480	690	305	2,425	1,215	2,020	755	8,430	9,645
2011	106,205	87,905	18,285	5,080	13,230	985	2,815	1,430	3,150	790	1,470	750	310	2,550	1,270	2,025	765	8,535	9,755
2012	106,545	87,975	18,570	5,200	13,370	995	2,870	1,435	3,115	795	1,460	875	305	2,560	1,300	2,070	790	8,645	9,925
2013	106,680	87,885	18,795	5,370	13,425	995	2,915	1,450	3,055	765	1,450	1,000	310	2,610	1,320	2,090	835	8,755	10,045
2014	106,780	87,775	19,005	5,525	13,480	985	2,960	1,435	2,980	780	1,415	1,120	315	2,675	1,320	2,160	860	8,855	10,150
2015	107,395	87,990	19,405	5,695	13,710	1,005	3,045	1,450	2,960	795	1,400	1,230	340	2,725	1,300	2,290	865	9,010	10,405
2016	107,955	87,990	19,965	6,035	13,935	1,020	3,100	1,460	2,925	800	1,405	1,490	335	2,805	1,380	2,380	875	9,310	10,670
2017	108,915	87,985	20,930	6,310	14,625	1,065	3,170	1,465	2,920	830	1,400	1,640	335	2,935	1,475	2,780	920	9,590	11,320
2018	109,680	88,060	21,620	6,590	15,030	1,090	3,230	1,480	2,920	830	1,415	1,790	345	3,040	1,550	2,995	945	9,900	11,730
2019	110,985	88,425	22,560	6,990	15,570	1,140	3,290	1,505	2,915	860	1,405	2,010	355	3,220	1,610	3,235	1,015	10,295	12,275
2020	111,900	88,645	23,255	7,285	15,960	1,160	3,335	1,515	2,855	880	1,375	2,230	360	3,320	1,700	3,455	1,065	10,540	12,715
2021	112,590	88,725	23,865	7,450	16,425	1,210	3,370	1,630	2,845	910	1,340	2,335	365	3,410	1,720	3,625	1,115	10,680	13,170
2022	112,930	87,595	25,335	7,710	17,640	1,240	3,380	1,695	2,895	1,015	1,375	2,435	395	3,510	1,855	4,195	1,335	10,835	13,585
2023	114,175	87,475	26,700	8,470	18,225	1,325	3,425	1,730	2,850	1,025	1,365	2,555	395	4,150	1,930	4,565	1,390	11,620	14,180
2024	114,970	87,345	27,615	8,740	18,875	1,400	3,455	1,750	2,810	1,005	1,360	2,630	385	4,370	2,050	4,955	1,445	–	–
2025	115,775	87,360	28,420	9,025	19,395	1,450	3,470	1,775	2,770	1,000	1,325	2,745	400	4,590	2,120	5,285	1,520	–	–
2026	117,300	87,520	29,745	9,325	20,430	1,595	3,555	1,835	2,725	1,020	1,290	2,805	410	4,820	2,215	5,895	1,610	–	–

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