Territorial change of United States (United States of America)

“United States”(United States of America) — appears in this map’s data from AD 1776 to 2024. Its territory was largest in AD 1945, at ≈ 12.19 million km².

Territory by period

PeriodArea
AD 1776 – 1777≈ 1.04 million km²
AD 1778 – 1779≈ 1.01 million km²
AD 1780 – 1780≈ 884 thousand km²
AD 1781 – 1782≈ 1.01 million km²
AD 1783 – 1787≈ 1.01 million km²
AD 1788 – 1790≈ 1.06 million km²
AD 1791 – 1791≈ 1.10 million km²
AD 1792 – 1793≈ 1.10 million km²
AD 1794 – 1795≈ 1.10 million km²
AD 1796 – 1796≈ 1.16 million km²
AD 1797 – 1798≈ 1.17 million km²
AD 1799 – 1799≈ 1.18 million km²
AD 1800 – 1802≈ 1.18 million km²
AD 1803 – 1804≈ 1.25 million km²
AD 1805 – 1805≈ 1.31 million km²
AD 1806 – 1806≈ 1.34 million km²
AD 1807 – 1808≈ 1.37 million km²
AD 1809 – 1810≈ 1.39 million km²
AD 1811 – 1811≈ 1.42 million km²
AD 1812 – 1813≈ 1.50 million km²
AD 1814 – 1814≈ 1.60 million km²
AD 1815 – 1819≈ 1.59 million km²
AD 1820 – 1821≈ 1.95 million km²
AD 1822 – 1823≈ 2.12 million km²
AD 1824 – 1824≈ 2.35 million km²
AD 1825 – 1827≈ 2.38 million km²
AD 1828 – 1829≈ 2.40 million km²
AD 1830 – 1833≈ 2.47 million km²
AD 1834 – 1835≈ 2.75 million km²
AD 1836 – 1839≈ 2.81 million km²
AD 1840 – 1841≈ 2.95 million km²
AD 1842 – 1845≈ 3.00 million km²
AD 1846 – 1847≈ 3.52 million km²
AD 1848 – 1848≈ 3.45 million km²
AD 1849 – 1852≈ 3.47 million km²
AD 1853 – 1855≈ 3.86 million km²
AD 1856 – 1858≈ 4.20 million km²
AD 1859 – 1860≈ 4.30 million km²
AD 1861 – 1861≈ 2.50 million km²
AD 1862 – 1862≈ 3.15 million km²
AD 1863 – 1863≈ 3.32 million km²
AD 1864 – 1864≈ 3.84 million km²
AD 1865 – 1865≈ 4.01 million km²
AD 1866 – 1867≈ 5.72 million km²
AD 1868 – 1869≈ 7.95 million km²
AD 1870 – 1870≈ 8.08 million km²
AD 1871 – 1872≈ 8.07 million km²
AD 1873 – 1876≈ 8.28 million km²
AD 1877 – 1879≈ 8.85 million km²
AD 1880 – 1889≈ 8.91 million km²
AD 1890 – 1897≈ 9.40 million km²
AD 1898 – 1899≈ 9.44 million km²
AD 1900 – 1904≈ 9.91 million km²
AD 1905 – 1907≈ 9.79 million km²
AD 1908 – 1910≈ 9.91 million km²
AD 1911 – 1912≈ 9.78 million km²
AD 1913 – 1913≈ 9.78 million km²
AD 1914 – 1915≈ 9.79 million km²
AD 1916 – 1917≈ 9.87 million km²
AD 1918 – 1918≈ 9.87 million km²
AD 1919 – 1919≈ 9.88 million km²
AD 1920 – 1923≈ 9.88 million km²
AD 1924 – 1935≈ 9.82 million km²
AD 1936 – 1940≈ 9.78 million km²
AD 1941 – 1941≈ 12.00 million km²
AD 1942 – 1943≈ 11.77 million km²
AD 1944 – 1944≈ 11.77 million km²
AD 1945 – 1945≈ 12.19 million km²
AD 1946 – 1946≈ 10.40 million km²
AD 1947 – 1966≈ 10.15 million km²
AD 1967 – 2005≈ 9.44 million km²
AD 2006 – 2023≈ 9.88 million km²
AD 2024 – 2024≈ 9.44 million km²
AD 1776AD 2024

Outline at its largest extent

Outline of the territory in AD 1945 – 1945 (map drawing). Neighbouring countries are not drawn.

Area and rank by frame

For each frame in which borders change: this country’s territory and its rank by area among the countries that have territory in that frame.

FrameAreaRank
AD 1776≈ 1.04 million km²11 of 132
AD 1778≈ 1.01 million km²12 of 131
AD 1780≈ 884 thousand km²12 of 131
AD 1781≈ 1.01 million km²11 of 131
AD 1783≈ 1.01 million km²11 of 130
AD 1788≈ 1.06 million km²10 of 129
AD 1791≈ 1.10 million km²10 of 128
AD 1792≈ 1.10 million km²10 of 130
AD 1794≈ 1.10 million km²10 of 125
AD 1796≈ 1.16 million km²10 of 124
AD 1797≈ 1.17 million km²9 of 125
AD 1799≈ 1.18 million km²9 of 124
AD 1800≈ 1.18 million km²9 of 123
AD 1803≈ 1.25 million km²11 of 123
AD 1805≈ 1.31 million km²11 of 125
AD 1806≈ 1.34 million km²11 of 138
AD 1807≈ 1.37 million km²11 of 132
AD 1809≈ 1.39 million km²11 of 131
AD 1811≈ 1.42 million km²12 of 131
AD 1812≈ 1.50 million km²12 of 133
AD 1814≈ 1.60 million km²10 of 142
AD 1815≈ 1.59 million km²9 of 139
AD 1820≈ 1.95 million km²7 of 148
AD 1822≈ 2.12 million km²8 of 147
AD 1824≈ 2.35 million km²8 of 148
AD 1825≈ 2.38 million km²7 of 150
AD 1828≈ 2.40 million km²7 of 144
AD 1830≈ 2.47 million km²7 of 143
AD 1834≈ 2.75 million km²6 of 143
AD 1836≈ 2.81 million km²6 of 145
AD 1840≈ 2.95 million km²5 of 155
AD 1842≈ 3.00 million km²5 of 156
AD 1846≈ 3.52 million km²5 of 152
AD 1848≈ 3.45 million km²5 of 147
AD 1849≈ 3.47 million km²5 of 144
AD 1853≈ 3.86 million km²5 of 144
AD 1856≈ 4.20 million km²4 of 149
AD 1857≈ 4.20 million km²4 of 150
AD 1859≈ 4.30 million km²5 of 146
AD 1860≈ 4.30 million km²5 of 142
AD 1861≈ 2.50 million km²6 of 140
AD 1862≈ 3.15 million km²6 of 138
AD 1863≈ 3.32 million km²6 of 139
AD 1864≈ 3.84 million km²6 of 139
AD 1865≈ 4.01 million km²6 of 139
AD 1866≈ 5.72 million km²5 of 133
AD 1868≈ 7.95 million km²5 of 134
AD 1870≈ 8.08 million km²5 of 132
AD 1871≈ 8.07 million km²5 of 113
AD 1873≈ 8.28 million km²5 of 108
AD 1877≈ 8.85 million km²4 of 104
AD 1880≈ 8.91 million km²4 of 104
AD 1884≈ 8.91 million km²4 of 105
AD 1885≈ 8.91 million km²4 of 101
AD 1890≈ 9.40 million km²4 of 99
AD 1895≈ 9.40 million km²4 of 90
AD 1898≈ 9.44 million km²4 of 87
AD 1900≈ 9.91 million km²4 of 84
AD 1905≈ 9.79 million km²4 of 83
AD 1908≈ 9.91 million km²4 of 79
AD 1911≈ 9.78 million km²5 of 76
AD 1912≈ 9.78 million km²4 of 77
AD 1913≈ 9.78 million km²4 of 78
AD 1914≈ 9.79 million km²4 of 76
AD 1915≈ 9.79 million km²4 of 75
AD 1916≈ 9.87 million km²4 of 71
AD 1917≈ 9.87 million km²4 of 71
AD 1918≈ 9.87 million km²5 of 80
AD 1919≈ 9.88 million km²5 of 88
AD 1920≈ 9.88 million km²5 of 84
AD 1922≈ 9.88 million km²4 of 87
AD 1924≈ 9.82 million km²4 of 86
AD 1926≈ 9.82 million km²4 of 84
AD 1927≈ 9.82 million km²4 of 84
AD 1928≈ 9.82 million km²4 of 85
AD 1929≈ 9.82 million km²4 of 85
AD 1930≈ 9.82 million km²4 of 86
AD 1932≈ 9.82 million km²3 of 88
AD 1936≈ 9.78 million km²3 of 89
AD 1938≈ 9.78 million km²3 of 88
AD 1939≈ 9.78 million km²3 of 86
AD 1940≈ 9.78 million km²2 of 77
AD 1941≈ 12.00 million km²2 of 74
AD 1942≈ 11.77 million km²2 of 75
AD 1943≈ 11.77 million km²2 of 73
AD 1944≈ 11.77 million km²2 of 73
AD 1945≈ 12.19 million km²2 of 76
AD 1946≈ 10.40 million km²3 of 83
AD 1947≈ 10.15 million km²3 of 92
AD 1948≈ 10.15 million km²3 of 96
AD 1949≈ 10.15 million km²3 of 96
AD 1950≈ 10.15 million km²3 of 94
AD 1953≈ 10.15 million km²3 of 97
AD 1956≈ 10.15 million km²3 of 103
AD 1958≈ 10.15 million km²3 of 101
AD 1960≈ 10.15 million km²2 of 107
AD 1961≈ 10.15 million km²2 of 122
AD 1962≈ 10.15 million km²2 of 122
AD 1963≈ 10.15 million km²2 of 129
AD 1967≈ 9.44 million km²3 of 140
AD 1969≈ 9.44 million km²3 of 145
AD 1973≈ 9.44 million km²3 of 152
AD 1974≈ 9.44 million km²3 of 152
AD 1976≈ 9.44 million km²3 of 157
AD 1979≈ 9.44 million km²3 of 161
AD 1983≈ 9.44 million km²3 of 162
AD 1987≈ 9.44 million km²3 of 164
AD 1990≈ 9.44 million km²3 of 164
AD 1991≈ 9.44 million km²3 of 164
AD 1992≈ 9.44 million km²3 of 185
AD 1996≈ 9.44 million km²3 of 186
AD 2000≈ 9.44 million km²3 of 188
AD 2006≈ 9.88 million km²3 of 187
AD 2008≈ 9.88 million km²3 of 187
AD 2011≈ 9.88 million km²3 of 187
AD 2014≈ 9.88 million km²3 of 191
AD 2022≈ 9.88 million km²3 of 191
AD 2024≈ 9.44 million km²3 of 191

Its highest rank was in AD 1945: number 76 of 2.

Neighbouring countries

In order of the number of frames in which they share a border (a parent state, its colonies and other names of the same country are counted as one group).

Territory exchanged with

Computed from changes in territory between frames (only changes of about 20,000 km² or more are counted; these are not actual routes of advance). Top 29 by area.

FrameOther countryArea
AD 1941gainedGreenland≈ 2.22 million km²
AD 1946lostDenmark≈ 2.22 million km²
AD 1868gainedRussian Empire≈ 1.58 million km²
AD 1866gainedConfederate States of America≈ 1.09 million km²
AD 1946gainedEmpire of Japan≈ 567 thousand km²
AD 2006gainedIraq≈ 440 thousand km²
AD 1900gainedSpain≈ 415 thousand km²
AD 1846gainedRepublic of Texas≈ 375 thousand km²
AD 1942lostEmpire of Japan≈ 345 thousand km²
AD 1945gainedEmpire of Japan≈ 305 thousand km²
AD 1862gainedConfederate States of America≈ 227 thousand km²
AD 1863gainedConfederate States of America≈ 170 thousand km²
AD 1865gainedConfederate States of America≈ 163 thousand km²
AD 1822gainedSpanish Empire≈ 152 thousand km²
AD 1780lostBritish Empire≈ 130 thousand km²
AD 1781gainedBritish Empire≈ 126 thousand km²
AD 1908gainedCuba≈ 121 thousand km²
AD 1778lostBritish Empire≈ 120 thousand km²
AD 1945gainedNazi Germany≈ 116 thousand km²
AD 1947gainedGreat Britain≈ 94 thousand km²
AD 1864gainedConfederate States of America≈ 70 thousand km²
AD 1900gainedFidel Castro≈ 57 thousand km²
AD 1916gainedDominican Republic≈ 53 thousand km²
AD 1783gainedBritish Empire≈ 39 thousand km²
AD 1803gainedFrench Louisiana≈ 31 thousand km²
AD 1916gainedFirst Empire of Haiti≈ 31 thousand km²
AD 1791gainedVermont Republic≈ 28 thousand km²
AD 1811gainedSpanish Empire≈ 25 thousand km²
AD 1898gainedRepublic of Hawaii≈ 24 thousand km²

Preceded and succeeded by

Preceded by: United Colonies · Confederate States of America

Source: Wikidata (CC0)

Wikipedia summary

The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C.

Wikipedia (English) “United States”, introduction (first sentences) · text under CC BY-SA 4.0 · read more on Wikipedia

Show on the map — open the AD 1945 frame