Year Pop (in millions) 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