Reelection Rates of US House Incumbents, 1791-2001. View widescreen. Also: Every 20-year-chunk ending with a "5" we have computed the average and standard deviation, note the steady rise in averages. Seeking Reelection Reelected Seeking Reelection Reelected Years Number % Number % Defeatd Congress Years Number % Number % Defeated 1791-1793 56 86.2 41 73.2 15 54th 1895-1897 249 69.9 177 71.1 72 1793-1795 50 72.5 44 88.0 6 55th 1897-1899 225 71.7 198 88.0 27 1795-1797 83 79.0 67 80.7 16 56th 1899-1901 290 81.2 252 86.9 38 1797-1799 75 70.1 60 80.0 15 57th 1901-1903 290 81.2 274 94.5 16 1799-1801 78 73.6 60 76.9 18 58th 1903-1905 284 73.6 257 90.5 27 1801-1803 63 59.4 59 93.7 4 59th 1905-1907 322 83.4 299 92.9 23 1803-1805 80 75.5 70 87.5 10 60th 1907-1909 323 83.7 296 91.6 27 1805-1807 106 74.6 95 89.6 11 61st 1909-1911 340 87.0 311 91.5 29 1807-1809 111 76.8 91 82.0 20 62d 1911-1913 308 78.8 261 84.7 47 1809-1811 104 73.2 85 81.7 19 63d 1913-1915 324 74.5 281 86.7 43 **87.8+-6.6 1811-1813 94 66.2 83 88.3 11 64th 1915-1917 361 83.0 298 82.5 63 1813-1815 100 69.9 79 79.0 21 65th 1917-1919 387 89.0 351 90.7 36 average & standard deviation = 83.9+-5.5 1815-1817 127 69.8 95 74.8 32 66th 1919-1921 375 86.2 331 88.3 44 1817-1819 100 54.6 56 56.0 44 67th 1921-1923 365 83.9 314 86.0 51 1819-1821 116 62.7 96 82.8 20 68th 1923-1925 365 83.9 301 82.5 64 1821-1823 129 69.4 100 77.5 29 69th 1925-1927 381 87.6 352 92.4 29 1823-1825 126 67.4 99 78.6 27 70th 1927-1929 389 89.4 373 95.9 16 1825-1827 160 75.1 126 78.8 34 71st 1929-1931 396 91.0 365 92.2 31 1827-1829 166 73.2 128 77.1 38 72d 1931-1933 397 91.3 355 89.4 42 1829-1831 151 70.9 117 77.5 34 73d 1933-1935 345 79.3 272 78.8 73 **87.9+-5.4 1831-1833 153 71.8 125 81.7 28 74th 1935-1937 371 85.3 329 88.7 42 1833-1835 129 60.6 101 78.3 28 75th 1937-1939 373 85.7 344 92.2 29 average & standard deviation = 76.3+-7.5 1835-1837 177 73.8 143 80.8 34 76th 1939-1941 393 90.3 322 81.9 71 1837-1839 148 61.2 121 81.8 27 77th 1941-1943 399 91.7 363 91.0 36 1839-1841 157 64.9 119 75.8 38 78th 1943-1945 372 85.5 327 87.9 45 1841-1843 153 63.2 124 81.0 29 79th 1945-1947 392 90.1 359 91.6 33 1843-1845 85 35.1 52 61.2 33 80th 1947-1949 383 88.0 332 86.7 51 1845-1847 141 63.2 105 74.5 36 81st 1949-1951 383 88.0 316 82.5 67 1847-1849 115 50.7 98 85.2 17 82d 1951-1953 397 89.1 364 91.7 33 1849-1851 117 51.1 94 80.3 23 83d 1953-1955 379 87.1 353 93.0 26 **88.7+-4.0 1851-1853 132 56.7 102 77.3 30 84th 1955-1957 400 92.0 378 94.5 22 1853-1855 109 46.8 87 79.8 22 85th 1957-1959 402 92.4 387 96.3 15 average & standard deviation = 77.8+-6.6 1855-1857 145 62.0 91 62.8 54 86th 1959-1961 390 89.7 354 90.8 36 1857-1859 156 66.7 117 75.0 39 87th 1961-1963 404 92.9 378 93.6 26 1859-1861 155 65.4 118 76.1 37 88th 1963-1965 390 89.7 368 94.4 22 1861-1863 104 56.2 85 81.7 19 89th 1965-1967 389 89.4 344 88.4 45 1863-1865 94 53.7 67 71.3 27 90th 1967-1969 401 92.2 362 90.3 39 1865-1867 131 71.7 96 73.3 35 91st 1969-1971 403 92.6 395 98.0 8 1867-1869 124 64.2 109 87.9 is 92d 1971-1973 397 91.3 384 96.7 13 1869-1871 127 56.2 108 85.0 19 93d 1973-1975 374 86.0 360 96.3 14 **93.9+-3.2 1871-1873 134 58.0 112 83.6 22 94th 1975-1977 382 87.8 343 89.8 39 1873-1875 143 58.8 115 80.4 28 95th 1977-1979 380 87.4 367 96.6 13 average & standard deviation = 77.7+-7.5 1875-1877 172 58.7 113 65.7 59 96th 1979-1981 376 56.4 358 95.2 18 1877-1879 191 65.4 152 79.6 39 97th 1981-1983 392 90.1 360 91.8 32 1879-1881 186 63.5 154 82.8 32 98th 1983-1985 382 87.8 355 92.9 27 1881-1883 214 73.7 185 86.4 29 99th 1985-1987 407 93.6 394 96.8 13 1883-1885 182 62.1 137 75.3 45 100th 1987-1989 391 89.9 385 98.5 6 1885-1887 222 68.3 182 82.0 40 101st 1989-1991 410 94.3 404 98.5 6 1887-1889 227 69.8 201 88.5 26 102d 1991-1993 407 93.6 392 96.3 15 1889-1891 236 72.6 205 86.9 31 103d 1993-1995 351 80.7 327 93.2 24 **95.0+-2.9 1891-1893 226 68.3 167 73.9 59 104th 1995-1997 383 88.0 349 91.1 34 1893-1895 242 72.9 206 85.1 36 105th 1997-1999 381 87.6 362 95.0 19 average & standard deviation = 80.6+-7.1 106th 1999-2001 404 92.9 395 97.8 7 additional data: 107th 2001-2003 95.7 108th 2003-2005 97.8 **95.5+-2.8 110th 2007-2009 94 111th 2009-2011 94 112th 2011-2013 85