| Year | Pop (in mil | Area (sq. mi) | ||
| 1790 | 3.93 | 891 | ||
| 1800 | 5.31 | 891 | ||
| 1810 | 7.24 | 1722 | ||
| 1820 | 9.64 | 1792 | ||
| 1830 | 12.87 | 1792 | ||
| .. | … | … | ||
| 2000 | 281.42 | 3717 | ||
| Population is increasing by about a third every ten years. | ||||
| Military personnel | ||||
| 1816 | 1830 | 1860 | ||
| USA | 16,000 | 11,000 | 26,000 | |
| UK | 255,000 | 140,000 | 347,000 | |
| France | 132,000 | 259,000 | 608,000 | |
| Russia | 800,000 | 826,000 | 862,000 | |
| Prussia/Germany | 130,000 | 130,000 | 201,000 | |
| Habsburg Empire | 220,000 | 273,000 | 306,000 | |
| From P. Kennedy, The Rise and Fall of Great Powers | ||||