Hokkaido 1st district (1947–1993)

List of representatives

 * Kingo Machimura (Liberal Democratic Party, 1952, 1953, 1955, 1958)
 * Setsuo Yokomichi, Socialist Party、1952・1953・1955・1958・1959・1960・1963・1967
 * Torazō Shimamoto, Socialist Party、1960・1967・1969・1972・1976
 * Usaburō Chisaki III, Liberal Democratic Party, 1963・1967・1969・1972・1976・1979・1980
 * Takahiro Yokomichi (Social Democratic Party, 1969-1983)
 * Nobutaka Machimura (Liberal Democratic Party, 1983-1996)

Election results

 * 1993 Japanese general election
 * Nobutaka Machimura, Liberal Democratic Party, 186,192 votes
 * Komeito, 171,089 votes
 * Social Democratic Party, 160,619 votes
 * Japanese Communist Party, 125,643 votes
 * independent, 14,149 votes
 * 1990 Japanese general election
 * Nobutaka Machimura, Liberal Democratic Party, 155,142 votes
 * Japanese Communist Party, 153,527 votes
 * Komeito, 146,626 votes
 * independent, 24,967 votes
 * 1986 Japanese general election
 * Nobutaka Machimura, Liberal Democratic Party, 165,041 votes
 * Social Democratic Party, 161,293 votes
 * Komeito, 149,036 votes
 * Japanese Communist Party, 132,789 votes
 * 1983 Japanese general election
 * Nobutaka Machimura, Liberal Democratic Party, 171,814 votes
 * Komeito, 150,502 votes
 * Social Democratic Party, 140,623 votes
 * Japanese Communist Party, 109,206 votes
 * 1980 Japanese general election
 * Takahiro Yokomichi, Social Democratic Party, 152,850 votes
 * 1979 Japanese general election
 * Takahiro Yokomichi, Social Democratic Party, 172,598 votes
 * 1976 Japanese general election
 * Takahiro Yokomichi, Social Democratic Party, 146,400 votes
 * Torazo Shimamoto, 129,889 votes
 * 1972 Japanese general election
 * Torazo Shimamoto, 142,641 votes
 * Japanese Communist Party, 119,946 votes
 * Takahiro Yokomichi, Social Democratic Party, 111,244 votes
 * Komeito, 85,978 votes
 * 1969 Japanese general election
 * Takahiro Yokomichi, Social Democratic Party, 98,829 votes
 * Torazo Shimamoto, 61,271 votes
 * Japanese Communist Party, 46,867 votes
 * 1967 Japanese general election
 * Setsuo Yokomichi, 100,563 votes
 * Torazo Shimamoto, 95,701 votes
 * Liberal Democratic Party, 80,269 votes
 * Komeito, 76,176 votes
 * Japanese Communist Party, 22,281 votes
 * 1963 Japanese general election
 * Liberal Democratic Party, 93,915 votes
 * Setsuo Yokomichi, 91,817 votes
 * Torazo Shimamoto, 63,079 votes
 * Japanese Communist Party, 10,640 votes
 * 1960 Japanese general election
 * Setsuo Yokomichi, 83,138 votes
 * Liberal Democratic Party, 72,521 votes
 * Torazo Shimamoto, 53,422 votes
 * independent, 50,893 votes
 * Japanese Communist Party, 6,274 votes
 * 1958 Japanese general election
 * Setsuo Yokomichi, 90,624 votes
 * Kingo Machimura, Liberal Democratic Party, 82,480 votes
 * Liberal Democratic Party, 65,230 votes
 * Japanese Communist Party, 9,731 votes
 * independent, 7,850 votes
 * 1955 Japanese general election
 * Setsuo Yokomichi, 75,389 votes
 * Kingo Machimura, independent, 50,963 votes
 * Japanese Communist Party, 9,432 votes
 * independent, 4,109 votes
 * 1953 Japanese general election
 * Setsuo Yokomichi, 48,513 votes
 * Kingo Machimura, 37,573 votes
 * Japanese Communist Party, 9,538 votes
 * 1952 Japanese general election
 * Setsuo Yokomichi, 48,826 votes
 * Kingo Machimura, 42,815 votes
 * Japanese Communist Party, 10,023 votes
 * 1949 Japanese general election
 * Japanese Communist Party, 14,388 votes
 * independent, 11,066 votes
 * 1947 Japanese general election
 * independent, 12,030 votes
 * Japanese Communist Party, 4,821 votes