This chart shows the population of Athens over 3,350 years since its beginnings from the 2nd millennium B.C.E., including projections to 2050.
View sources for population estimates in
this Google Doc
Populations are mostly for the urban area but are often for the city's core for 19th-century estimates.
| Year | Athens |
| -1300 | 10000 |
| -1000 | 4000 |
| -700 | 10000 |
| -500 | 77500 |
| -475 | 100000 |
| -450 | 120000 |
| -430 | 155000 |
| -426 | 116250 |
| -400 | 100000 |
| -330 | 168000 |
| -200 | 75000 |
| 1 | 80000 |
| 150 | 80000 |
| 350 | 40000 |
| 500 | 20000 |
| 700 | 9000 |
| 800 | 9000 |
| 900 | 9000 |
| 1000 | 15000 |
| 1100 | 18000 |
| 1200 | 21000 |
| 1300 | 25000 |
| 1370 | 30000 |
| 1400 | 35000 |
| 1500 | 35000 |
| 1578 | 36000 |
| 1600 | 33000 |
| 1650 | 21000 |
| 1664 | 22000 |
| 1676 | 21000 |
| 1700 | 13000 |
| 1750 | 10000 |
| 1760 | 10000 |
| 1769 | 9000 |
| 1800 | 12000 |
| 1820 | 10000 |
| 1821 | 10000 |
| 1824 | 9040 |
| 1833 | 4000 |
| 1834 | 7000 |
| 1845 | 27800 |
| 1850 | 30000 |
| 1851 | 31125 |
| 1870 | 44500 |
| 1879 | 63374 |
| 1888 | 133000 |
| 1890 | 114355 |
| 1896 | 162486 |
| 1900 | 200000 |
| 1904 | 215000 |
| 1907 | 238984 |
| 1910 | 190000 |
| 1920 | 453042 |
| 1921 | 473000 |
| 1922 | 718000 |
| 1923 | 800000 |
| 1928 | 802000 |
| 1940 | 1124109 |
| 1950 | 1347000 |
| 1955 | 1563000 |
| 1960 | 1814000 |
| 1965 | 2121000 |
| 1970 | 2485000 |
| 1975 | 3003000 |
| 1980 | 3300000 |
| 1985 | 3318000 |
| 1991 | 3444358 |
| 2001 | 3165823 |
| 2011 | 3181872 |
| 2021 | 3041131 |
| 2050 | 2769534 |
