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Population changes over the decades

London's population over time (1931-2035)

London’s population has changed dramatically over the past century. This indicator shows how many people lived in London throughout the decades, and how the population is likely to change in the future.

1939-1991: Post-war falling population

In 1939, 8.6 million people lived in the capital. Over the following decades, the population fell steadily to 6.8 million in 1991.The fall was most pronounced in Inner London, which saw its population reduce by almost half over 50 years.

1991-2035: Growing population

London’s population has been recovering since the early 1990s. In 2022, a new high of 8.9 million people lived in the city.

This growth has been seen in both Inner and Outer London - although Inner London is still 1.4 million short of its peak, in 1931. By 2035, London’s population is expected to increase to a total population of 9.6 million.