This chart show the population of London, Paris, and Lagos from 1950 to 2020.
| Year | London | Paris | Lagos |
| 1950 | 8361000 | 6283000 | 325000 |
| 1951 | 8344000 | 6305000 | 342000 |
| 1952 | 8328000 | 6326000 | 359000 |
| 1953 | 8311000 | 6348000 | 386000 |
| 1954 | 8294000 | 6680000 | 425000 |
| 1955 | 8278000 | 6796000 | 468000 |
| 1956 | 8261000 | 6915000 | 516000 |
| 1957 | 8245000 | 7036000 | 569000 |
| 1958 | 8229000 | 7159000 | 627000 |
| 1959 | 8212000 | 7283000 | 692000 |
| 1960 | 8196000 | 7411000 | 762000 |
| 1961 | 8168000 | 7540000 | 840000 |
| 1962 | 8092000 | 7651000 | 926000 |
| 1963 | 8017000 | 7718000 | 1021000 |
| 1964 | 7942000 | 7787000 | 1087000 |
| 1965 | 7869000 | 7855000 | 1135000 |
| 1966 | 7795000 | 7925000 | 1186000 |
| 1967 | 7723000 | 7995000 | 1239000 |
| 1968 | 7651000 | 8065000 | 1295000 |
| 1969 | 7580000 | 8136000 | 1353000 |
| 1970 | 7509000 | 8208000 | 1414000 |
| 1971 | 7438000 | 8281000 | 1477000 |
| 1972 | 7358000 | 8354000 | 1571000 |
| 1973 | 7279000 | 8427000 | 1671000 |
| 1974 | 7201000 | 8502000 | 1777000 |
| 1975 | 7124000 | 8558000 | 1890000 |
| 1976 | 7048000 | 8580000 | 2010000 |
| 1977 | 6973000 | 8602000 | 2138000 |
| 1978 | 6898000 | 8625000 | 2274000 |
| 1979 | 6824000 | 8647000 | 2418000 |
| 1980 | 6751000 | 8669000 | 2572000 |
| 1981 | 6699000 | 8692000 | 2736000 |
| 1982 | 6709000 | 8731000 | 2909000 |
| 1983 | 6720000 | 8805000 | 3094000 |
| 1984 | 6730000 | 8881000 | 3291000 |
| 1985 | 6741000 | 8956000 | 3500000 |
| 1986 | 6752000 | 9033000 | 3723000 |
| 1987 | 6762000 | 9110000 | 3960000 |
| 1988 | 6773000 | 9187000 | 4212000 |
| 1989 | 6784000 | 9265000 | 4479000 |
| 1990 | 6794000 | 9330000 | 4764000 |
| 1991 | 6841000 | 9366000 | 5067000 |
| 1992 | 6888000 | 9402000 | 5318000 |
| 1993 | 6935000 | 9438000 | 5531000 |
| 1994 | 6982000 | 9474000 | 5752000 |
| 1995 | 7030000 | 9510000 | 5983000 |
| 1996 | 7078000 | 9547000 | 6223000 |
| 1997 | 7126000 | 9583000 | 6471000 |
| 1998 | 7174000 | 9620000 | 6731000 |
| 1999 | 7223000 | 9667000 | 7000000 |
| 2000 | 7273000 | 9737000 | 7281000 |
| 2001 | 7322000 | 9806000 | 7572000 |
| 2002 | 7367000 | 9877000 | 7875000 |
| 2003 | 7411000 | 9948000 | 8190000 |
| 2004 | 7456000 | 10020000 | 8519000 |
| 2005 | 7501000 | 10092000 | 8859000 |
| 2006 | 7547000 | 10164000 | 9195000 |
| 2007 | 7668000 | 10238000 | 9492000 |
| 2008 | 7792000 | 10311000 | 9799000 |
| 2009 | 7917000 | 10385000 | 10115000 |
| 2010 | 8044000 | 10460000 | 10441000 |
| 2011 | 8174000 | 10514000 | 10778000 |
| 2012 | 8293000 | 10569000 | 11127000 |
| 2013 | 8414000 | 10623000 | 11486000 |
| 2014 | 8537000 | 10678000 | 11856000 |
| 2015 | 8661000 | 10734000 | 12239000 |
| 2016 | 8788000 | 10789000 | 12634000 |
| 2017 | 8916000 | 10845000 | 13042000 |
| 2018 | 9046000 | 10901000 | 13463000 |
| 2019 | 9177000 | 10958000 | 13904000 |
| 2020 | 9304000 | 11017000 | 14368000 |