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London, United Kingdom

Capital city · Population 9.0M

London is the capital and the largest city in United Kingdom with a population of approximately 8,961,989 people as of 2026. This makes it the 29th largest city in the world, accounting for 12.94% of United Kingdom's total population of 69.3M. London is classified as a major metropolis and operates in the Europe/London timezone. The average annual temperature is 11.7°C with 895 mm of rainfall per year. The city sits at an elevation of 23 meters above sea level.

Population

8,961,989

Global Rank

#29

Country Rank

#1

% of United Kingdom

12.94%

Avg Temperature

11.7°C

Annual Rainfall

895 mm

Elevation

23 m

Timezone

Europe/London

London on the Map

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Climate in London

London's warmest month is Aug and the coldest is Jan. The wettest month is Sep with 169 mm of rainfall.

Average Monthly Temperature

5°C
Jan
8.4°C
Feb
8.5°C
Mar
10.1°C
Apr
14°C
May
15.5°C
Jun
17.5°C
Jul
18.6°C
Aug
15°C
Sep
12.1°C
Oct
8.2°C
Nov
7.6°C
Dec
5°C18.6°C

Monthly Rainfall

68 mm
Jan
110 mm
Feb
83 mm
Mar
64 mm
Apr
75 mm
May
25 mm
Jun
85 mm
Jul
29 mm
Aug
169 mm
Sep
83 mm
Oct
63 mm
Nov
41 mm
Dec

United Kingdom at a Glance

Country Population

69,281,437

Capital

London

Region

Northern Europe

Major Cities

105

GDP per Capita

$53,246

Life Expectancy

81.2 years

Urban Population

83.2%

Growth Rate

0.01%

Other Major Cities in United Kingdom

Birmingham
1.2M
Glasgow
626K
Manchester
569K
Sheffield
557K
Leeds
536K
Edinburgh
515K
Liverpool
497K
Bristol
479K
Cardiff
372K
Leicester
369K

Nearest Major Cities

Closest cities to London with over 100,000 people

Cities closest to London by distance
CityPopulationDistance
City of Westminster247,6141 km
Islington319,1433 km
Archway215,6677 km
Tottenham130,00011 km
Walthamstow109,42412 km
Brent329,10013 km
Croydon173,31414 km
Ilford168,16815 km

Frequently Asked Questions

What is the population of London?

The population of London, United Kingdom is approximately 8,961,989 people, making it the 29th largest city in the world and the 1st largest in United Kingdom.

Is London the capital of United Kingdom?

Yes, London is the capital of United Kingdom.

What is the climate like in London?

London has an average annual temperature of 11.7°C and receives 895 mm of rainfall per year. The warmest month is Aug and the coldest is Jan.

What timezone is London in?

London is in the Europe/London timezone.