303,525 datasets indexed1,419 publishers
Open Data IndexThe index of open data about the Netherlands
Examples›Population

Births: highest on average in August, lowest in February

Births per month, January 2015 – August 2026. Average over 11 full years: August 15,291, February 12,673. Highest month: September 2021 (16,225).

Source: CBS, tabel 83474NED (Bevolkingsontwikkeling; maand en jaar) · opgehaald 25 oktober 2026Open the table Single block

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Population by marital status: never married is the largest part, 50% in 2026

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Population by country of origin: the Netherlands is the largest part, 71% in 2026

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Households by composition: living alone is the largest part, 40% in 2026

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Population by age: 40 to 65 is the largest part, 32% in 2026

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Population growth: highest in Woudenberg and 1 other municipality (2.3%), lowest in Westerwolde (-7.9%)

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People aged 80 or over in the Netherlands: 957 thousand in 2026, 9.6 times as much as in 1950

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