City · Het Hogeland, Groningen

Onderdendam: Migration background and origin

On 1 January 2026, Onderdendam had 585 residents. 7.7% of them (45 people) have a migration background: they were born abroad or have at least one parent who was. That is lower than the municipality of Het Hogeland (11.0%) and lower than the national average (29.1%). The largest origin groups are other Europe (2.6%), other Asia (1.7%) and Indonesia (0.85%). 55.6% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 0.7 percentage points.

Residents: 585 on 1 January 2026
Migration background: 7.7% 45 people
Born abroad: 55.6% of those with a migration background
Change since 2022: +0.7 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

91%

Dutch origin 91.5% 535
Migration background 7.7% 45

Largest origin groups

Bars show each group’s share of all residents of Onderdendam. For comparison, the line marks Het Hogeland and the circle the Netherlands.

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

2.6% 15 people

Het Hogeland 2.0% Netherlands 5.6%
Other Asia Asia excluding Indonesia and Turkey

1.7% 10 people

Het Hogeland 2.5% Netherlands 5.3%
Indonesia

0.85% 5 people

Het Hogeland 1.0% Netherlands 1.9%
Germany

0.85% 5 people

Het Hogeland 1.4% Netherlands 1.9%
Other Africa Africa excluding Morocco

0.85% 5 people

Het Hogeland 1.2% Netherlands 2.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.85% 5 people

Het Hogeland 0.92% Netherlands 1.7%
Turkey

0.0% 0 people

Het Hogeland 0.29% Netherlands 2.6%
Morocco

0.0% 0 people

Het Hogeland 0.06% Netherlands 2.4%
Suriname

0.0% 0 people

Het Hogeland 0.31% Netherlands 2.0%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

0.0% 0 people

Het Hogeland 0.57% Netherlands 1.1%
Poland

0.0% 0 people

Het Hogeland 0.32% Netherlands 1.4%
Belgium

0.0% 0 people

Het Hogeland 0.19% 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) 55.6% 25
Born in the Netherlands (second generation) 44.4% 20

Men and women

Men: 300
Women: 285

Compared with all cities

Netherlands 29.1% Onderdendam 7.7%

Higher than 18% of all cities in the Netherlands

Trend since 1998

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

Show

Measure % Residents

New CBS classification

7.7%

Onderdendam
Het Hogeland
Netherlands

Show as table

Year	Onderdendam	Het Hogeland	Netherlands
1998	4.2%	4.9%	16.7%
1999	3.5%	5.0%	17.1%
2000	3.6%	5.2%	17.5%
2001	3.6%	5.7%	18.0%
2002	2.9%	6.9%	18.4%
2003	3.0%	7.3%	18.8%
2004	2.3%	7.0%	19.0%
2005	3.0%	6.8%	19.2%
2006	3.8%	6.0%	19.3%
2007	4.5%	5.7%	19.4%
2008	5.3%	5.7%	19.6%
2009	4.7%	5.7%	19.9%
2010	4.8%	5.7%	20.3%
2011	4.8%	5.9%	20.6%
2012	4.7%	6.1%	20.9%
2013	4.7%	6.2%	21.1%
2014	4.6%	6.3%	21.4%
2015	3.9%	6.4%	21.7%
2016	4.1%	6.6%	22.1%
2017	4.1%	7.0%	22.6%
2018	5.8%	7.3%	23.1%
2019	6.0%	7.6%	23.6%
2020	6.1%	7.7%	24.2%
2021	6.1%	8.0%	24.6%
2022	7.0%	9.0%	26.0%
2023	7.1%	10.1%	27.1%
2024	6.9%	10.4%	27.9%
2025	8.5%	10.7%	28.5%
2026	7.7%	11.0%	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).

Postcodes in Onderdendam

				Largest group
9959 Bedum	7.7%	585	+0.7 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	Suriname	Indonesia	Dutch Caribbean	Germany	Belgium	Other Europe	Other Africa	Other Asia	Other Americas & Oceania	Western migration background	Non-Western migration background
1998	715	685	30	10	20	0	0	10	0	0	0	10	5	0	5	20	5
1999	705	680	25	5	20	0	0	10	0	0	0	5	0	5	5	20	5
2000	695	670	25	10	20	0	0	10	0	5	0	5	5	0	5	20	5
2001	700	675	25	5	15	0	0	10	0	5	0	0	5	0	0	20	0
2002	690	670	20	5	15	5	0	5	0	5	0	0	0	5	0	15	5
2003	670	655	20	5	5	0	0	10	0	0	0	5	0	0	0	15	0
2004	655	635	15	10	15	0	0	10	0	5	5	0	0	0	5	20	0
2005	665	645	20	10	5	0	0	5	5	5	5	0	0	0	0	20	0
2006	655	630	25	10	15	0	0	10	0	10	0	0	5	0	5	20	10
2007	665	630	30	15	10	0	0	10	0	10	5	0	5	0	0	25	10
2008	665	625	35	20	20	0	0	10	0	10	5	5	10	0	0	25	10
2009	640	605	30	15	15	0	0	10	0	10	0	5	0	0	5	25	5
2010	625	600	30	15	20	0	0	5	0	10	0	5	0	5	10	30	5
2011	625	595	30	15	15	0	0	10	0	10	5	0	0	0	5	25	5
2012	635	605	30	15	20	0	0	5	0	5	0	10	5	5	5	20	5
2013	645	615	30	15	10	0	5	10	0	5	0	10	0	0	0	25	5
2014	650	620	30	15	15	0	0	5	0	5	0	10	5	0	5	25	5
2015	635	610	25	10	15	0	0	5	0	5	0	5	0	5	5	20	0
2016	610	585	25	10	15	0	0	10	0	5	0	5	5	0	5	25	5
2017	605	580	25	10	15	0	0	5	0	5	0	5	0	5	5	20	5
2018	600	565	35	15	15	0	5	10	0	5	0	10	5	0	0	25	10
2019	585	550	35	20	15	0	0	5	0	5	0	15	5	0	5	25	10
2020	575	540	35	20	20	0	0	5	0	5	0	15	5	5	5	30	10
2021	575	540	35	20	15	0	0	5	0	5	5	10	0	5	5	30	5
2022	575	535	40	25	15	0	5	5	0	5	5	15	0	5	5	30	10
2023	560	520	40	25	20	0	0	5	0	5	0	20	5	5	0	30	10
2024	580	540	40	25	15	0	0	5	0	5	0	20	5	5	5	–	–
2025	585	535	50	25	20	0	0	5	0	5	0	20	5	10	5	–	–
2026	585	535	45	25	25	0	0	5	0	5	0	15	5	10	5	–	–

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