1950 | number of cities with a population of 1 million or more | 8 | 5 | 3 | - | - | - |
population in cities of ≥1 million (in thousands) | 15 295 | 6 393 | 8 903 | - | - | - |
population in cities of ≥1 million as a percentage of total urban population | 23.4 | 9.8 | 13.6 | - | - | - |
population in cities of ≥1 million as a percentage of total population | 2.8 | 1.2 | 1.6 | - | - | - |
1970 | number of cities with a population of 1 million or more | 14 | 8 | 5 | 1 | - | - |
population in cities of ≥1 million (in thousands) | 32 192 | 10 963 | 15 176 | 6 052 | - | - |
population in cities of ≥1 million as a percentage of total urban population | 22.4 | 7.6 | 10.6 | 4.2 | - | - |
population in cities of ≥1 million as a percentage of total population | 3.9 | 1.3 | 1.8 | 0.7 | - | - |
1990 | number of cities with a population of 1 million or more | 34 | 20 | 12 | 2 | - | - |
population in cities of ≥1 million (in thousands) | 76 795 | 25 275 | 36 126 | 15 394 | - | - |
population in cities of ≥1 million as a percentage of total urban population | 24.8 | 8.2 | 11.7 | 5.0 | - | - |
population in cities of ≥1 million as a percentage of total population | 6.5 | 2.2 | 3.1 | 1.3 | - | - |
2010 | number of cities with a population of 1 million or more | 86 | 45 | 26 | 9 | 5 | 1 |
population in cities of ≥1 million (in thousands) | 278 852 | 62 330 | 80 576 | 57 295 | 58 336 | 20 314 |
population in cities of ≥1 million as a percentage of total urban population | 41.7 | 9.3 | 12.0 | 8.6 | 8.7 | 3.0 |
population in cities of ≥1 million as a percentage of total population | 20.5 | 4.6 | 5.9 | 4.2 | 4.3 | 1.5 |
2015 | number of cities with a population of 1 million or more | 109 | 61 | 31 | 11 | 5 | 1 |
population in cities of ≥1 million (in thousands) | 344 153 | 81 287 | 98 159 | 73 946 | 67 280 | 23 482 |
population in cities of ≥1 million as a percentage of total urban population | 44.4 | 10.5 | 12.7 | 9.5 | 8.7 | 3.0 |
population in cities of ≥1 million as a percentage of total population | 24.6 | 5.8 | 7 | 5.3 | 4.8 | 1.7 |