Postcode · Bierum, Groningen

Postcode 9906: Migration background and origin

On 1 January 2026, postcode 9906 in Bierum had 730 residents. 23.3% of them (170 people) have a migration background: they were born abroad or have at least one parent who was. That is higher than the municipality of Eemsdelta (18.9%) and lower than the national average (29.1%). The largest origin groups are other Europe (17.1%), Dutch Caribbean (1.4%) and Germany (1.4%). 85.3% of residents with a migration background were born abroad themselves. Since 2022 the share has risen by 17.1 percentage points.

Residents: 730 on 1 January 2026
Migration background: 23.3% 170 people
Born abroad: 85.3% of those with a migration background
Change since 2022: +17.1 pp in share with a migration background

Migration background, share of residents

Share of residents with a migration background in this postcode and its neighbours.

Where residents come from

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

Dutch origin and migration background

77% 23%

Dutch origin 77.4% 565
Migration background 23.3% 170

Largest origin groups

Bars show each group’s share of all residents of 9906. For comparison, the line marks Eemsdelta and the circle the Netherlands.

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

17.1% 125 people

Eemsdelta 3.0% Netherlands 5.6%
Dutch Caribbean Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba

1.4% 10 people

Eemsdelta 2.5% Netherlands 1.1%
Germany

1.4% 10 people

Eemsdelta 2.0% Netherlands 1.9%
Suriname

0.68% 5 people

Eemsdelta 0.86% Netherlands 2.0%
Indonesia

0.68% 5 people

Eemsdelta 1.7% Netherlands 1.9%
Poland

0.68% 5 people

Eemsdelta 0.58% Netherlands 1.4%
Other Asia Asia excluding Indonesia and Turkey

0.68% 5 people

Eemsdelta 3.0% Netherlands 5.3%
Other Americas & Oceania Americas and Oceania excluding Suriname and the Dutch Caribbean

0.68% 5 people

Eemsdelta 1.0% Netherlands 1.7%
Turkey

0.0% 0 people

Eemsdelta 1.9% Netherlands 2.6%
Morocco

0.0% 0 people

Eemsdelta 0.16% Netherlands 2.4%
Belgium

0.0% 0 people

Eemsdelta 0.25% Netherlands 0.76%
Other Africa Africa excluding Morocco

0.0% 0 people

Eemsdelta 2.0% Netherlands 2.3%

First and second generation

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

85% 15%

Born abroad (first generation) 85.3% 145
Born in the Netherlands (second generation) 14.7% 25

Men and women

Men: 380
Women: 350

Compared with all postcodes

Netherlands 29.1% 9906 23.3%

Higher than 64% of all postcodes in the Netherlands

Trend since 1998

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

Show

Measure % Residents

New CBS classification

23.3%

9906
Eemsdelta
Netherlands

Show as table

Year	9906	Eemsdelta	Netherlands
1998	4.5%	11.9%	16.7%
1999	5.1%	12.1%	17.1%
2000	5.2%	12.1%	17.5%
2001	5.2%	12.4%	18.0%
2002	4.5%	12.8%	18.4%
2003	5.2%	13.2%	18.8%
2004	4.5%	13.2%	19.0%
2005	5.8%	13.3%	19.2%
2006	5.1%	13.2%	19.3%
2007	4.5%	13.2%	19.4%
2008	3.8%	13.1%	19.6%
2009	3.9%	12.7%	19.9%
2010	3.3%	12.9%	20.3%
2011	4.6%	13.5%	20.6%
2012	4.7%	13.4%	20.9%
2013	5.4%	13.5%	21.1%
2014	4.9%	13.6%	21.4%
2015	5.6%	13.7%	21.7%
2016	5.1%	13.9%	22.1%
2017	6.1%	14.3%	22.6%
2018	6.0%	14.4%	23.1%
2019	6.1%	14.7%	23.6%
2020	6.1%	15.1%	24.2%
2021	6.2%	15.6%	24.6%
2022	6.2%	16.8%	26.0%
2023	20.8%	17.4%	27.1%
2024	22.7%	17.9%	27.9%
2025	22.8%	18.4%	28.5%
2026	23.3%	18.9%	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).

Nearby postcodes

				Largest group
9909 Spijk (Eemsdelta)	10.1%	1,335	+1.1 pp	Dutch Caribbean
9905 Holwierde	6.7%	1,045	+0.5 pp	Dutch Caribbean
9907 Losdorp	12.5%	160	−3.1 pp	Germany

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	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	780	740	35	20	15	0	5	10	0	15	0	0	5	0	0	0	35	5
1999	785	740	40	25	25	0	0	10	0	20	5	0	0	5	5	5	35	5
2000	765	720	40	20	20	0	5	10	0	10	0	0	10	0	0	5	35	5
2001	770	730	40	15	25	5	5	10	0	10	0	5	0	0	0	5	30	10
2002	775	735	35	15	20	5	0	10	0	15	0	0	0	0	5	5	35	0
2003	770	735	40	20	20	0	0	10	0	15	0	0	5	0	5	5	35	5
2004	780	740	35	20	15	0	0	10	0	15	0	0	5	0	0	5	35	5
2005	780	740	45	20	25	5	5	15	0	15	0	5	0	0	0	0	40	5
2006	785	740	40	25	15	0	5	15	0	15	5	0	5	0	0	0	40	5
2007	785	750	35	15	25	0	0	10	0	10	0	0	5	5	5	5	35	5
2008	785	750	30	15	25	0	0	15	0	10	5	0	0	0	0	10	30	0
2009	770	740	30	10	15	0	5	10	0	10	0	0	0	0	0	0	30	5
2010	760	735	25	10	15	0	5	10	0	10	0	0	0	0	0	0	25	0
2011	765	730	35	15	20	0	5	10	0	5	0	0	10	0	0	5	30	5
2012	745	705	35	25	15	0	0	10	0	15	5	0	5	0	0	5	35	5
2013	735	695	40	20	15	0	0	10	0	15	5	0	0	5	0	5	35	5
2014	715	680	35	20	15	0	0	10	0	10	0	0	10	0	0	5	30	0
2015	710	670	40	25	15	0	0	5	0	20	5	0	0	5	0	5	35	0
2016	690	655	35	20	15	0	0	10	0	15	0	0	5	0	0	5	35	0
2017	660	620	40	25	15	0	0	10	5	15	5	0	5	0	0	5	35	10
2018	670	630	40	20	15	0	0	10	0	15	0	0	5	0	0	5	30	5
2019	660	620	40	25	20	0	5	5	0	20	0	0	5	0	5	5	35	5
2020	655	615	40	25	15	0	5	10	0	15	0	0	10	0	0	0	35	5
2021	650	610	40	20	15	0	0	5	0	15	0	0	5	0	5	5	30	5
2022	645	600	40	20	20	0	5	5	0	10	5	0	10	0	0	5	30	10
2023	745	590	155	125	30	0	5	5	5	10	5	0	115	5	5	5	135	15
2024	750	580	170	140	30	0	5	10	5	10	0	0	125	5	5	5	–	–
2025	725	565	165	130	35	0	5	5	10	15	0	0	115	5	5	5	–	–
2026	730	565	170	140	30	0	5	5	10	10	5	0	125	0	5	5	–	–

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