| Year | D | R | Margin (D%, R%, 3rd%) | D Cand. | R Cand. | Nat. Margin | Total votes | Source |
|---|---|---|---|---|---|---|---|---|
| 1864 | 1,806,227(45.0%) | 2,211,317(55.0%) | (45.0%, 55.0%, 0.0%) | George B. McClellan | Abraham Lincoln | R+10.1 | 4,018,202 | Wikipedia |
| 1868 | 2,708,980(47.3%)(Δ 902,753) | 3,013,790(52.7%)(Δ 802,473) | (47.3%, 52.7%, 0.0%) | Horatio Seymour | Ulysses S. Grant | R+5.3(Δ D+4.8) | 5,722,440(Δ 1,704,238) | Wikipedia |
| 1872 | 2,833,710(43.9%)(Δ 124,730) | 3,597,439(55.7%)(Δ 583,649) | (43.8%, 55.6%, 0.4%) | Horace Greeley | Ulysses S. Grant | R+11.8(Δ R+6.5) | 6,471,983(Δ 749,543) | Wikipedia |
| 1876 | 4,286,808(51.0%)(Δ 1,453,098) | 4,034,142(48.0%)(Δ 436,703) | (50.9%, 47.9%, 1.0%) | Samuel J. Tilden | Rutherford B. Hayes | D+3.0(Δ D+14.8) | 8,418,659(Δ 1,946,676) | Wikipedia |
| 1880 | 4,444,976(48.3%)(Δ 158,168) | 4,454,433(48.4%)(Δ 420,291) | (48.2%, 48.3%, 3.3%) | Winfield Scott Hancock | James A. Garfield | R+0.1(Δ R+3.1) | 9,219,477(Δ 800,818) | Wikipedia |
| 1884 | 4,914,482(49.5%)(Δ 469,506) | 4,856,903(48.9%)(Δ 402,470) | (48.9%, 48.3%, 1.5%) | Grover Cleveland | James G. Blaine | D+0.6(Δ D+0.7) | 10,060,145(Δ 840,668) | Wikipedia |
| 1888 | 5,538,163(49.3%)(Δ 623,681) | 5,443,633(48.5%)(Δ 586,730) | (48.6%, 47.8%, 2.2%) | Grover Cleveland | Benjamin Harrison | D+0.8(Δ D+0.3) | 11,388,846(Δ 1,328,701) | Wikipedia |
| 1892 | 5,553,898(47.2%)(Δ 15,735) | 5,190,799(44.1%)(Δ -252,834) | (46.0%, 43.0%, 8.5%) | Grover Cleveland | Benjamin Harrison | D+3.0(Δ D+2.2) | 12,068,027(Δ 679,181) | Wikipedia |
| 1896 | 6,510,807(47.3%)(Δ 956,909) | 7,112,138(51.7%)(Δ 1,921,339) | (46.7%, 51.0%, 1.0%) | William Jennings Bryan | William McKinley | R+4.3(Δ R+7.3) | 13,938,674(Δ 1,870,647) | Wikipedia |
| 1900 | 6,370,932(46.1%)(Δ -139,875) | 7,228,864(52.3%)(Δ 116,726) | (45.5%, 51.6%, 1.5%) | William Jennings Bryan | William McKinley | R+6.1(Δ R+1.8) | 13,997,429(Δ 58,755) | Wikipedia |
| 1904 | 5,083,880(38.8%)(Δ -1,287,052) | 7,630,557(58.2%)(Δ 401,693) | (37.6%, 56.4%, 3.0%) | Alton B. Parker | Theodore Roosevelt | R+18.8(Δ R+12.7) | 13,525,095(Δ -472,334) | Wikipedia |
| 1908 | 6,408,979(44.2%)(Δ 1,325,099) | 7,678,335(52.9%)(Δ 47,778) | (43.0%, 51.6%, 2.8%) | William Jennings Bryan | William Howard Taft | R+8.5(Δ D+10.3) | 14,889,239(Δ 1,364,144) | Wikipedia |
| 1912 | 6,296,284(45.3%)(Δ -112,695) | 4,122,721(29.6%)(Δ -3,555,614) | (41.9%, 27.4%, 23.2%) | Woodrow Wilson | Theodore Roosevelt | D+14.4(Δ D+23.0) | 15,044,278(Δ 155,039) | Wikipedia |
| 1916 | 9,126,868(50.0%)(Δ 2,830,584) | 8,548,728(46.8%)(Δ 4,426,007) | (49.2%, 46.1%, 3.2%) | Woodrow Wilson | Charles Evans Hughes | D+3.1(Δ R+11.3) | 18,536,585(Δ 3,492,307) | Wikipedia |
| 1920 | 9,139,661(34.9%)(Δ 12,793) | 16,144,093(61.6%)(Δ 7,595,365) | (34.1%, 60.3%, 3.4%) | James M. Cox | Warren G. Harding | R+26.2(Δ R+29.3) | 26,765,180(Δ 8,228,595) | Wikipedia |
| 1924 | 8,386,242(29.0%)(Δ -753,419) | 15,723,789(54.3%)(Δ -420,304) | (28.8%, 54.0%, 16.6%) | John W. Davis | Calvin Coolidge | R+25.2(Δ D+1.0) | 29,097,107(Δ 2,331,927) | Wikipedia |
| 1928 | 15,015,464(40.9%)(Δ 6,629,222) | 21,427,123(58.4%)(Δ 5,703,334) | (40.8%, 58.2%, 0.7%) | Al Smith | Herbert Hoover | R+17.4(Δ D+7.8) | 36,807,012(Δ 7,709,905) | Wikipedia |
| 1932 | 22,821,277(57.8%)(Δ 7,805,813) | 15,761,254(39.9%)(Δ -5,665,869) | (57.4%, 39.6%, 2.2%) | Franklin D. Roosevelt | Herbert Hoover | D+17.8(Δ D+35.2) | 39,751,898(Δ 2,944,886) | Wikipedia |
| 1936 | 27,752,648(61.2%)(Δ 4,931,371) | 16,681,862(36.8%)(Δ 920,608) | (60.8%, 36.5%, 2.0%) | Franklin D. Roosevelt | Alf Landon | D+24.3(Δ D+6.5) | 45,647,699(Δ 5,895,801) | Wikipedia |
| 1940 | 27,313,945(54.9%)(Δ -438,703) | 22,347,744(44.9%)(Δ 5,665,882) | (54.7%, 44.8%, 0.2%) | Franklin D. Roosevelt | Wendell Willkie | D+10.0(Δ R+14.3) | 49,902,113(Δ 4,254,414) | Wikipedia |
| 1944 | 25,612,916(53.6%)(Δ -1,701,029) | 22,017,929(46.1%)(Δ -329,815) | (53.4%, 45.9%, 0.3%) | Franklin D. Roosevelt | Thomas E. Dewey | D+7.5(Δ R+2.5) | 47,977,063(Δ -1,925,050) | Wikipedia |
| 1948 | 24,178,347(51.1%)(Δ -1,434,569) | 21,991,292(46.4%)(Δ -26,637) | (49.6%, 45.1%, 2.4%) | Harry S. Truman | Thomas E. Dewey | D+4.5(Δ R+3.0) | 48,792,535(Δ 815,472) | Wikipedia |
| 1952 | 27,375,090(44.4%)(Δ 3,196,743) | 34,075,529(55.3%)(Δ 12,084,237) | (44.3%, 55.2%, 0.2%) | Adlai Stevenson | Dwight D. Eisenhower | R+10.9(Δ R+15.3) | 61,751,942(Δ 12,959,407) | Wikipedia |
| 1956 | 26,028,028(42.0%)(Δ -1,347,062) | 35,579,180(57.5%)(Δ 1,503,651) | (42.0%, 57.4%, 0.5%) | Adlai Stevenson | Dwight D. Eisenhower | R+15.4(Δ R+4.5) | 62,021,979(Δ 270,037) | Wikipedia |
| 1960 | 34,220,984(49.9%)(Δ 8,192,956) | 34,108,157(49.7%)(Δ -1,471,023) | (49.7%, 49.6%, 0.4%) | John F. Kennedy | Richard Nixon | D+0.2(Δ D+15.6) | 68,832,482(Δ 6,810,503) | Wikipedia |
| 1964 | 43,129,040(61.2%)(Δ 8,908,056) | 27,175,754(38.5%)(Δ -6,932,403) | (61.1%, 38.5%, 0.3%) | Lyndon B. Johnson | Barry Goldwater | D+22.6(Δ D+22.4) | 70,641,751(Δ 1,809,269) | Wikipedia |
| 1968 | 31,271,839(42.9%)(Δ -11,857,201) | 31,783,783(43.6%)(Δ 4,608,029) | (42.7%, 43.4%, 13.5%) | Hubert Humphrey | Richard Nixon | R+0.7(Δ R+23.3) | 73,199,998(Δ 2,558,247) | Wikipedia |
| 1972 | 29,173,222(37.7%)(Δ -2,098,617) | 47,168,710(60.9%)(Δ 15,384,927) | (37.5%, 60.7%, 1.4%) | George McGovern | Richard Nixon | R+23.1(Δ R+22.4) | 77,744,027(Δ 4,544,029) | Wikipedia |
| 1976 | 40,831,881(50.6%)(Δ 11,658,659) | 39,148,634(48.5%)(Δ -8,020,076) | (50.1%, 48.0%, 0.9%) | Jimmy Carter | Gerald Ford | D+2.1(Δ D+25.2) | 81,531,584(Δ 3,787,557) | Wikipedia |
| 1980 | 35,480,115(41.7%)(Δ -5,351,766) | 43,903,230(51.6%)(Δ 4,754,596) | (41.0%, 50.7%, 6.6%) | Jimmy Carter | Ronald Reagan | R+9.7(Δ R+11.8) | 86,509,678(Δ 4,978,094) | Wikipedia |
| 1984 | 37,577,352(40.7%)(Δ 2,097,237) | 54,455,472(59.0%)(Δ 10,552,242) | (40.6%, 58.8%, 0.2%) | Walter Mondale | Ronald Reagan | R+18.2(Δ R+8.5) | 92,653,233(Δ 6,143,555) | Wikipedia |
| 1988 | 41,809,476(45.9%)(Δ 4,232,124) | 48,886,597(53.6%)(Δ -5,568,875) | (45.6%, 53.4%, 0.5%) | Michael Dukakis | George H.W. Bush | R+7.7(Δ D+10.5) | 91,594,686(Δ -1,058,547) | Wikipedia |
| 1992 | 44,909,889(43.3%)(Δ 3,100,413) | 39,104,545(37.7%)(Δ -9,782,052) | (43.0%, 37.4%, 18.9%) | Bill Clinton | George H.W. Bush | D+5.6(Δ D+13.3) | 104,426,659(Δ 12,831,973) | Wikipedia |
| 1996 | 47,402,357(50.1%)(Δ 2,492,468) | 39,198,755(41.4%)(Δ 94,210) | (49.2%, 40.7%, 8.4%) | Bill Clinton | Bob Dole | D+8.5(Δ D+3.0) | 96,277,223(Δ -8,149,436) | Wikipedia |
| 2000 | 50,999,897(48.9%)(Δ 3,597,540) | 50,456,002(48.4%)(Δ 11,257,247) | (48.4%, 47.9%, 2.7%) | Al Gore | George W. Bush | D+0.5(Δ R+8.0) | 105,405,100(Δ 9,127,877) | Wikipedia |
| 2004 | 59,028,444(48.6%)(Δ 8,028,547) | 62,040,610(51.0%)(Δ 11,584,608) | (48.3%, 50.7%, 0.4%) | John Kerry | George W. Bush | R+2.5(Δ R+3.0) | 122,290,630(Δ 16,885,530) | Wikipedia |
| 2008 | 69,498,516(53.4%)(Δ 10,470,072) | 59,948,323(46.0%)(Δ -2,092,287) | (52.9%, 45.7%, 0.6%) | Barack Obama | John McCain | D+7.3(Δ D+9.7) | 131,313,820(Δ 9,023,190) | Wikipedia |
| 2012 | 65,915,795(51.4%)(Δ -3,582,721) | 60,933,504(47.6%)(Δ 985,181) | (51.1%, 47.2%, 1.0%) | Barack Obama | Mitt Romney | D+3.9(Δ R+3.4) | 129,085,410(Δ -2,228,410) | Wikipedia |
| 2016 | 65,853,516(49.4%)(Δ -62,279) | 62,984,825(47.2%)(Δ 2,051,321) | (48.2%, 46.1%, 3.3%) | Hillary Clinton | Donald Trump | D+2.1(Δ R+1.8) | 136,669,237(Δ 7,583,827) | Wikipedia |
| 2020 | 81,283,501(51.7%)(Δ 15,429,985) | 74,223,975(47.2%)(Δ 11,239,150) | (51.3%, 46.8%, 1.2%) | Joe Biden | Donald Trump | D+4.5(Δ D+2.4) | 158,429,631(Δ 21,760,394) | Wikipedia |
| 2024 | 75,017,613(49.0%)(Δ -6,265,888) | 77,302,580(50.5%)(Δ 3,078,605) | (48.3%, 49.8%, 0.6%) | Kamala Harris | Donald Trump | R+1.5(Δ R+5.9) | 155,238,302(Δ -3,191,329) | Wikipedia |
| Year | D | R | Margin (D%, R%, 3rd%) | Other votes | Top 3rd-Party Candidate | Total 3rd-Party Votes | 3rd-Party Nat. Share |
|---|---|---|---|---|---|---|---|
| 1864 | 1,806,227(45.0%) | 2,211,317(55.0%) | (45.0%, 55.0%, 0.0%) | 0(0.0%) | None | 658 | 0.02% |
| 1868 | 2,708,980(47.3%)(Δ 902,753) | 3,013,790(52.7%)(Δ 802,473) | (47.3%, 52.7%, 0.0%) | 0(0.0%) | None | 0 | 0.00% |
| 1872 | 2,833,710(43.9%)(Δ 124,730) | 3,597,439(55.7%)(Δ 583,649) | (43.8%, 55.6%, 0.4%) | 23,054(0.4%) | Charles O'Conor | 40,834 | 0.63% |
| 1876 | 4,286,808(51.0%)(Δ 1,453,098) | 4,034,142(48.0%)(Δ 436,703) | (50.9%, 47.9%, 1.0%) | 83,726(1.0%) | Peter Cooper | 97,709 | 1.16% |
| 1880 | 4,444,976(48.3%)(Δ 158,168) | 4,454,433(48.4%)(Δ 420,291) | (48.2%, 48.3%, 3.3%) | 308,649(3.4%) | James Weaver | 320,068 | 3.47% |
| 1884 | 4,914,482(49.5%)(Δ 469,506) | 4,856,903(48.9%)(Δ 402,470) | (48.9%, 48.3%, 1.5%) | 150,890(1.5%) | John St. John | 288,760 | 2.87% |
| 1888 | 5,538,163(49.3%)(Δ 623,681) | 5,443,633(48.5%)(Δ 586,730) | (48.6%, 47.8%, 2.2%) | 250,017(2.2%) | Clinton Fisk | 407,050 | 3.57% |
| 1892 | 5,553,898(47.2%)(Δ 15,735) | 5,190,799(44.1%)(Δ -252,834) | (46.0%, 43.0%, 8.5%) | 1,026,595(8.7%) | James Weaver | 1,323,330 | 10.97% |
| 1896 | 6,510,807(47.3%)(Δ 956,909) | 7,112,138(51.7%)(Δ 1,921,339) | (46.7%, 51.0%, 1.0%) | 133,537(1.0%) | John Palmer | 315,729 | 2.27% |
| 1900 | 6,370,932(46.1%)(Δ -139,875) | 7,228,864(52.3%)(Δ 116,726) | (45.5%, 51.6%, 1.5%) | 210,867(1.5%) | John Woolley | 397,633 | 2.84% |
| 1904 | 5,083,880(38.8%)(Δ -1,287,052) | 7,630,557(58.2%)(Δ 401,693) | (37.6%, 56.4%, 3.0%) | 402,810(3.1%) | Eugene V. Debs | 810,658 | 5.99% |
| 1908 | 6,408,979(44.2%)(Δ 1,325,099) | 7,678,335(52.9%)(Δ 47,778) | (43.0%, 51.6%, 2.8%) | 420,852(2.9%) | Eugene V. Debs | 801,925 | 5.39% |
| 1912 | 6,296,284(45.3%)(Δ -112,695) | 4,122,721(29.6%)(Δ -3,555,614) | (41.9%, 27.4%, 23.2%) | 3,486,242(25.1%) | William H. Taft | 4,625,273 | 30.74% |
| 1916 | 9,126,868(50.0%)(Δ 2,830,584) | 8,548,728(46.8%)(Δ 4,426,007) | (49.2%, 46.1%, 3.2%) | 590,524(3.2%) | Allan Benson | 860,989 | 4.64% |
| 1920 | 9,139,661(34.9%)(Δ 12,793) | 16,144,093(61.6%)(Δ 7,595,365) | (34.1%, 60.3%, 3.4%) | 913,693(3.5%) | Eugene Debs | 1,481,426 | 5.53% |
| 1924 | 8,386,242(29.0%)(Δ -753,419) | 15,723,789(54.3%)(Δ -420,304) | (28.8%, 54.0%, 16.6%) | 4,831,706(16.7%) | Robert La Follette | 4,987,076 | 17.14% |
| 1928 | 15,015,464(40.9%)(Δ 6,629,222) | 21,427,123(58.4%)(Δ 5,703,334) | (40.8%, 58.2%, 0.7%) | 267,478(0.7%) | Norman Thomas | 364,425 | 0.99% |
| 1932 | 22,821,277(57.8%)(Δ 7,805,813) | 15,761,254(39.9%)(Δ -5,665,869) | (57.4%, 39.6%, 2.2%) | 884,885(2.2%) | Thomas/Maurer | 1,169,367 | 2.94% |
| 1936 | 27,752,648(61.2%)(Δ 4,931,371) | 16,681,862(36.8%)(Δ 920,608) | (60.8%, 36.5%, 2.0%) | 892,378(2.0%) | William Lemke | 1,213,189 | 2.66% |
| 1940 | 27,313,945(54.9%)(Δ -438,703) | 22,347,744(44.9%)(Δ 5,665,882) | (54.7%, 44.8%, 0.2%) | 116,599(0.2%) | Norman Thomas | 240,424 | 0.48% |
| 1944 | 25,612,916(53.6%)(Δ -1,701,029) | 22,017,929(46.1%)(Δ -329,815) | (53.4%, 45.9%, 0.3%) | 143,238(0.3%) | No Candidate (Southern Democrat) | 346,218 | 0.72% |
| 1948 | 24,178,347(51.1%)(Δ -1,434,569) | 21,991,292(46.4%)(Δ -26,637) | (49.6%, 45.1%, 2.4%) | 1,176,023(2.5%) | Strom Thurmond | 2,622,896 | 5.38% |
| 1952 | 27,375,090(44.4%)(Δ 3,196,743) | 34,075,529(55.3%)(Δ 12,084,237) | (44.3%, 55.2%, 0.2%) | 140,746(0.2%) | Vincent Hallinan | 301,323 | 0.49% |
| 1956 | 26,028,028(42.0%)(Δ -1,347,062) | 35,579,180(57.5%)(Δ 1,503,651) | (42.0%, 57.4%, 0.5%) | 301,417(0.5%) | Unpledged Electors | 414,771 | 0.67% |
| 1960 | 34,220,984(49.9%)(Δ 8,192,956) | 34,108,157(49.7%)(Δ -1,471,023) | (49.7%, 49.6%, 0.4%) | 286,359(0.4%) | Unpledged Electors | 503,341 | 0.73% |
| 1964 | 43,129,040(61.2%)(Δ 8,908,056) | 27,175,754(38.5%)(Δ -6,932,403) | (61.1%, 38.5%, 0.3%) | 210,732(0.3%) | Unpledged Electors | 336,957 | 0.48% |
| 1968 | 31,271,839(42.9%)(Δ -11,857,201) | 31,783,783(43.6%)(Δ 4,608,029) | (42.7%, 43.4%, 13.5%) | 9,901,118(13.6%) | George Wallace | 10,144,376 | 13.86% |
| 1972 | 29,173,222(37.7%)(Δ -2,098,617) | 47,168,710(60.9%)(Δ 15,384,927) | (37.5%, 60.7%, 1.4%) | 1,100,868(1.4%) | John Schmitz | 1,402,095 | 1.80% |
| 1976 | 40,831,881(50.6%)(Δ 11,658,659) | 39,148,634(48.5%)(Δ -8,020,076) | (50.1%, 48.0%, 0.9%) | 740,460(0.9%) | Eugene McCarthy | 1,551,069 | 1.90% |
| 1980 | 35,480,115(41.7%)(Δ -5,351,766) | 43,903,230(51.6%)(Δ 4,754,596) | (41.0%, 50.7%, 6.6%) | 5,719,850(6.7%) | John Anderson | 7,126,333 | 8.24% |
| 1984 | 37,577,352(40.7%)(Δ 2,097,237) | 54,455,472(59.0%)(Δ 10,552,242) | (40.6%, 58.8%, 0.2%) | 228,111(0.2%) | David Bergland | 620,409 | 0.67% |
| 1988 | 41,809,476(45.9%)(Δ 4,232,124) | 48,886,597(53.6%)(Δ -5,568,875) | (45.6%, 53.4%, 0.5%) | 431,750(0.5%) | Ron Paul | 898,613 | 0.98% |
| 1992 | 44,909,889(43.3%)(Δ 3,100,413) | 39,104,545(37.7%)(Δ -9,782,052) | (43.0%, 37.4%, 18.9%) | 19,742,267(19.0%) | Ross Perot | 20,412,225 | 19.55% |
| 1996 | 47,402,357(50.1%)(Δ 2,492,468) | 39,198,755(41.4%)(Δ 94,210) | (49.2%, 40.7%, 8.4%) | 8,085,402(8.5%) | Ross Perot | 9,676,111 | 10.05% |
| 2000 | 50,999,897(48.9%)(Δ 3,597,540) | 50,456,002(48.4%)(Δ 11,257,247) | (48.4%, 47.9%, 2.7%) | 2,882,955(2.8%) | Ralph Nader | 3,949,201 | 3.75% |
| 2004 | 59,028,444(48.6%)(Δ 8,028,547) | 62,040,610(51.0%)(Δ 11,584,608) | (48.3%, 50.7%, 0.4%) | 465,151(0.4%) | Ralph Nader | 1,221,576 | 1.00% |
| 2008 | 69,498,516(53.4%)(Δ 10,470,072) | 59,948,323(46.0%)(Δ -2,092,287) | (52.9%, 45.7%, 0.6%) | 739,034(0.6%) | Ralph Nader | 1,866,981 | 1.42% |
| 2012 | 65,915,795(51.4%)(Δ -3,582,721) | 60,933,504(47.6%)(Δ 985,181) | (51.1%, 47.2%, 1.0%) | 1,275,971(1.0%) | Johnson/Gray | 2,236,111 | 1.73% |
| 2016 | 65,853,516(49.4%)(Δ -62,279) | 62,984,825(47.2%)(Δ 2,051,321) | (48.2%, 46.1%, 3.3%) | 4,489,221(3.4%) | Johnson/Weld | 7,830,896 | 5.73% |
| 2020 | 81,283,501(51.7%)(Δ 15,429,985) | 74,223,975(47.2%)(Δ 11,239,150) | (51.3%, 46.8%, 1.2%) | 1,865,535(1.2%) | Jorgensen/Cohen | 2,922,155 | 1.84% |
| 2024 | 75,017,613(49.0%)(Δ -6,265,888) | 77,302,580(50.5%)(Δ 3,078,605) | (48.3%, 49.8%, 0.6%) | 862,049(0.6%) | Stein/Ware | 2,918,109 | 1.88% |
| Year | D | R | Margin (D%, R%, 3rd%) | 2-Party Nat. Margin |
|---|---|---|---|---|
| 1864 | 1,806,227(45.0%) | 2,211,317(55.0%) | (45.0%, 55.0%, 0.0%) | R+10.1 |
| 1868 | 2,708,980(47.3%)(Δ 902,753) | 3,013,790(52.7%)(Δ 802,473) | (47.3%, 52.7%, 0.0%) | R+5.3(Δ D+4.8) |
| 1872 | 2,833,710(44.1%)(Δ 124,730) | 3,597,439(55.9%)(Δ 583,649) | (43.8%, 55.6%, 0.4%) | R+11.9(Δ R+6.5) |
| 1876 | 4,286,808(51.5%)(Δ 1,453,098) | 4,034,142(48.5%)(Δ 436,703) | (50.9%, 47.9%, 1.0%) | D+3.0(Δ D+14.9) |
| 1880 | 4,444,976(49.9%)(Δ 158,168) | 4,454,433(50.1%)(Δ 420,291) | (48.2%, 48.3%, 3.3%) | R+0.1(Δ R+3.1) |
| 1884 | 4,914,482(50.3%)(Δ 469,506) | 4,856,903(49.7%)(Δ 402,470) | (48.9%, 48.3%, 1.5%) | D+0.6(Δ D+0.7) |
| 1888 | 5,538,163(50.4%)(Δ 623,681) | 5,443,633(49.6%)(Δ 586,730) | (48.6%, 47.8%, 2.2%) | D+0.9(Δ D+0.3) |
| 1892 | 5,553,898(51.7%)(Δ 15,735) | 5,190,799(48.3%)(Δ -252,834) | (46.0%, 43.0%, 8.5%) | D+3.4(Δ D+2.5) |
| 1896 | 6,510,807(47.8%)(Δ 956,909) | 7,112,138(52.2%)(Δ 1,921,339) | (46.7%, 51.0%, 1.0%) | R+4.4(Δ R+7.8) |
| 1900 | 6,370,932(46.8%)(Δ -139,875) | 7,228,864(53.2%)(Δ 116,726) | (45.5%, 51.6%, 1.5%) | R+6.3(Δ R+1.9) |
| 1904 | 5,083,880(40.0%)(Δ -1,287,052) | 7,630,557(60.0%)(Δ 401,693) | (37.6%, 56.4%, 3.0%) | R+20.0(Δ R+13.7) |
| 1908 | 6,408,979(45.5%)(Δ 1,325,099) | 7,678,335(54.5%)(Δ 47,778) | (43.0%, 51.6%, 2.8%) | R+9.0(Δ D+11.0) |
| 1912 | 6,296,284(60.4%)(Δ -112,695) | 4,122,721(39.6%)(Δ -3,555,614) | (41.9%, 27.4%, 23.2%) | D+20.9(Δ D+29.9) |
| 1916 | 9,126,868(51.6%)(Δ 2,830,584) | 8,548,728(48.4%)(Δ 4,426,007) | (49.2%, 46.1%, 3.2%) | D+3.3(Δ R+17.6) |
| 1920 | 9,139,661(36.1%)(Δ 12,793) | 16,144,093(63.9%)(Δ 7,595,365) | (34.1%, 60.3%, 3.4%) | R+27.7(Δ R+31.0) |
| 1924 | 8,386,242(34.8%)(Δ -753,419) | 15,723,789(65.2%)(Δ -420,304) | (28.8%, 54.0%, 16.6%) | R+30.4(Δ R+2.7) |
| 1928 | 15,015,464(41.2%)(Δ 6,629,222) | 21,427,123(58.8%)(Δ 5,703,334) | (40.8%, 58.2%, 0.7%) | R+17.6(Δ D+12.8) |
| 1932 | 22,821,277(59.1%)(Δ 7,805,813) | 15,761,254(40.9%)(Δ -5,665,869) | (57.4%, 39.6%, 2.2%) | D+18.3(Δ D+35.9) |
| 1936 | 27,752,648(62.5%)(Δ 4,931,371) | 16,681,862(37.5%)(Δ 920,608) | (60.8%, 36.5%, 2.0%) | D+24.9(Δ D+6.6) |
| 1940 | 27,313,945(55.0%)(Δ -438,703) | 22,347,744(45.0%)(Δ 5,665,882) | (54.7%, 44.8%, 0.2%) | D+10.0(Δ R+14.9) |
| 1944 | 25,612,916(53.8%)(Δ -1,701,029) | 22,017,929(46.2%)(Δ -329,815) | (53.4%, 45.9%, 0.3%) | D+7.5(Δ R+2.5) |
| 1948 | 24,178,347(52.4%)(Δ -1,434,569) | 21,991,292(47.6%)(Δ -26,637) | (49.6%, 45.1%, 2.4%) | D+4.7(Δ R+2.8) |
| 1952 | 27,375,090(44.5%)(Δ 3,196,743) | 34,075,529(55.5%)(Δ 12,084,237) | (44.3%, 55.2%, 0.2%) | R+10.9(Δ R+15.6) |
| 1956 | 26,028,028(42.2%)(Δ -1,347,062) | 35,579,180(57.8%)(Δ 1,503,651) | (42.0%, 57.4%, 0.5%) | R+15.5(Δ R+4.6) |
| 1960 | 34,220,984(50.1%)(Δ 8,192,956) | 34,108,157(49.9%)(Δ -1,471,023) | (49.7%, 49.6%, 0.4%) | D+0.2(Δ D+15.7) |
| 1964 | 43,129,040(61.3%)(Δ 8,908,056) | 27,175,754(38.7%)(Δ -6,932,403) | (61.1%, 38.5%, 0.3%) | D+22.7(Δ D+22.5) |
| 1968 | 31,271,839(49.6%)(Δ -11,857,201) | 31,783,783(50.4%)(Δ 4,608,029) | (42.7%, 43.4%, 13.5%) | R+0.8(Δ R+23.5) |
| 1972 | 29,173,222(38.2%)(Δ -2,098,617) | 47,168,710(61.8%)(Δ 15,384,927) | (37.5%, 60.7%, 1.4%) | R+23.6(Δ R+22.8) |
| 1976 | 40,831,881(51.1%)(Δ 11,658,659) | 39,148,634(48.9%)(Δ -8,020,076) | (50.1%, 48.0%, 0.9%) | D+2.1(Δ D+25.7) |
| 1980 | 35,480,115(44.7%)(Δ -5,351,766) | 43,903,230(55.3%)(Δ 4,754,596) | (41.0%, 50.7%, 6.6%) | R+10.6(Δ R+12.7) |
| 1984 | 37,577,352(40.8%)(Δ 2,097,237) | 54,455,472(59.2%)(Δ 10,552,242) | (40.6%, 58.8%, 0.2%) | R+18.3(Δ R+7.7) |
| 1988 | 41,809,476(46.1%)(Δ 4,232,124) | 48,886,597(53.9%)(Δ -5,568,875) | (45.6%, 53.4%, 0.5%) | R+7.8(Δ D+10.5) |
| 1992 | 44,909,889(53.5%)(Δ 3,100,413) | 39,104,545(46.5%)(Δ -9,782,052) | (43.0%, 37.4%, 18.9%) | D+6.9(Δ D+14.7) |
| 1996 | 47,402,357(54.7%)(Δ 2,492,468) | 39,198,755(45.3%)(Δ 94,210) | (49.2%, 40.7%, 8.4%) | D+9.5(Δ D+2.6) |
| 2000 | 50,999,897(50.3%)(Δ 3,597,540) | 50,456,002(49.7%)(Δ 11,257,247) | (48.4%, 47.9%, 2.7%) | D+0.5(Δ R+8.9) |
| 2004 | 59,028,444(48.8%)(Δ 8,028,547) | 62,040,610(51.2%)(Δ 11,584,608) | (48.3%, 50.7%, 0.4%) | R+2.5(Δ R+3.0) |
| 2008 | 69,498,516(53.7%)(Δ 10,470,072) | 59,948,323(46.3%)(Δ -2,092,287) | (52.9%, 45.7%, 0.6%) | D+7.4(Δ D+9.9) |
| 2012 | 65,915,795(52.0%)(Δ -3,582,721) | 60,933,504(48.0%)(Δ 985,181) | (51.1%, 47.2%, 1.0%) | D+3.9(Δ R+3.4) |
| 2016 | 65,853,516(51.1%)(Δ -62,279) | 62,984,825(48.9%)(Δ 2,051,321) | (48.2%, 46.1%, 3.3%) | D+2.2(Δ R+1.7) |
| 2020 | 81,283,501(52.3%)(Δ 15,429,985) | 74,223,975(47.7%)(Δ 11,239,150) | (51.3%, 46.8%, 1.2%) | D+4.5(Δ D+2.3) |
| 2024 | 75,017,613(49.2%)(Δ -6,265,888) | 77,302,580(50.8%)(Δ 3,078,605) | (48.3%, 49.8%, 0.6%) | R+1.5(Δ R+6.0) |
National Senate results are not available in the dataset.