The population of London is 8,796,628 according to mid-2021 population figures published by the ONS. Based on recent growth rates we estimate the current 2023 population of London to be . In the year between mid-2020 and mid-2021, the population in London fell by an estimated 205,860 people, and in the ten years prior to mid-2021, the population grew by 487,795. Compare population by area.
London's population growth rate between mid-2020 and mid-2021 was -2.3%, which is 2.9% lower than the average population growth rate in London for the ten years prior to mid-2021 (0.6%).
London covers an area of 1,572 square kilometres (607 square miles) and has a population density of 5,595 people per square kilometre (km2), based on the latest population estimates taken in mid-2021. That figure has by people per km2 over the past decade.
Between mid-2019 and mid-2020, net internal migration out of London was 101,381, and net international migration into London was 84,545.
London's fertility rate (the total number of children that would be born to the average woman in London if she were to live to the end of her child-bearing years) of 1.52, and birth rate (the number of live births per thousand of population per year) of 12.9, led to population increases of 115,735 during the year, and London's death rate or mortality rate (the number of deaths per thousand of population per year) of 6.6 resulted in a 58,812 population decrease. In total, a net 56,923 person natural increase.
During the past decade, internal migration has fallen from a net outflow of 51,659 in 2011 to a net 101,381 outflow. International migration has risen from a net inflow of 69,181 in 2011 to an inflow of 84,545 in 2021.
The natural increase in population, due to births and deaths, has fallen from an annual net increase of 86,467 people in 2011 to 56,923 in 2021.
International migration was the largest driver of population change over the past decade, representing circa 108% of the total change in population (over 100% as other factors were net outflows).
London's population, population density, and population growth rate, over the past decade.
Figures reported by the ONS in 2022.
London's forecast, population density, and population growth rate, over the next twenty years. Figures reported by the ONS in 2018.
The population of London is forecast to be 9,255,002 in 2025 and 9,401,401 in 2030.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2022. Data sources: ONS Local statistics