The local government reform of 1971 made Stockholm a unitary municipality like all others in the country.

Source: SCB - Population by region, marital status, age and sex.

[4] On 31 December 2017 there were 949,761 residents in Stockholm, of which 234,703 people (24.71%) were born in a country other than Sweden.

Blocs This lists the relative strength of the socialist and centre-right blocs since 1973, but parties not elected to the Riksdag are inserted as "other", including the Sweden Democrats results from 1988 to 2006, but also the Christian Democrats pre-1991 and the Greens in 1982, 1985 and 1991.

The council elects a Municipal executive committee (kommunstyrelse), with 13 members representing both the political majority and the opposition, with the responsibility of implementing policies approved by the assembly.

The work is headed by the Commissioner of Finance (finansborgarråd, sometimes called Mayor), who also chairs the executive committee.

The current Commissioner of Finance is Karin Wanngård, representing the Social democrats.

The members of these councils are not directly elected by the inhabitants of the respective districts, but rather appointed by the kommunfullmäktige (municipal assembly).

The policy of Stockholm is to have informal town twinning with all capitals of the world, its main focus being those in northern Europe.