By-elections to the 22nd Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1953 federal election and the 1957 federal election. The Liberal Party of Canada led a majority government for the 22nd Canadian Parliament.
Seventeen vacant seats were filled through by-elections.
The 1953 Canadian federal election was held on August 10, 1953, to elect members of the House of Commons of Canada of the 22nd Parliament of Canada. Prime Minister Louis St. Laurent led his Liberal Party of Canada to its second consecutive majority government, although the party lost seats to the other parties.
The 22nd Canadian Parliament was in session from November 12, 1953, until April 12, 1957. The membership was set by the 1953 federal election on August 10, 1953, and it changed only somewhat due to resignations and by-elections until it was dissolved prior to the 1957 election.
By-elections to the 36th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1997 federal election and the 2000 federal election. The Liberal Party of Canada led a majority government for the entirety of the 36th Canadian Parliament, with increases from by-elections.
By-elections to the 35th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1993 federal election and the 1997 federal election. The Liberal Party of Canada led a majority government for the entirety of the 35th Canadian Parliament, with little change from by-elections.
By-elections to the 34th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1988 federal election and the 1993 federal election. The Progressive Conservative Party of Canada led a majority government for the entirety of the 34th Canadian Parliament, though their number did decrease from by-elections.
By-elections to the 33rd Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1984 federal election and the 1988 federal election. The Progressive Conservative Party of Canada led a majority government for the entirety of the 33rd Canadian Parliament, though their number did decrease from by-elections.
By-elections to the 32nd Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1980 federal election and the 1984 federal election. The Liberal Party of Canada led a majority government for the entirety of the 32nd Canadian Parliament, though their number did decrease from by-elections.
By-elections to the 31st Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1979 federal election and the 1980 federal election. The Progressive Conservative Party of Canada led a minority government for the entirety of the 31st Canadian Parliament.
By-elections to the 30th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1974 federal election and the 1979 federal election. The Liberal Party of Canada led a majority government for the entirety of the 30th Canadian Parliament, though their number did decrease from by-elections.
By-elections to the 28th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1968 federal election and the 1972 federal election. The Liberal Party of Canada led a majority government for the entirety of the 29th Canadian Parliament, though their number did decrease from by-elections.
By-elections to the 27th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1965 federal election and the 1968 federal election. The Liberal Party of Canada led a minority government for the entirety of the 27th Canadian Parliament, with little change from by-elections.
By-elections to the 26th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1963 federal election and the 1965 federal election. The Liberal Party of Canada led a minority government for the entirety of the 26th Canadian Parliament, with no change from by-elections.
By-elections to the 24th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1958 federal election and the 1962 federal election. The Progressive Conservative Party of Canada led a majority government for the 24th Canadian Parliament.
By-elections to the 23rd Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1957 federal election and the 1958 federal election. The Progressive Conservative Party of Canada led a minority government for the 23rd Canadian Parliament.
By-elections to the 21st Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1949 federal election and the 1953 federal election. The Liberal Party of Canada led a majority government for the 21st Canadian Parliament.
By-elections to the 20th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1945 federal election and the 1949 federal election. The Liberal Party of Canada led a working majority government for the 20th Canadian Parliament, though was technically a minority government during World War II.
By-elections to the 19th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1940 federal election and the 1945 federal election. The Liberal Party of Canada led a majority government for the 19th Canadian Parliament.
By-elections to the 18th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1935 federal election and the 1940 federal election. The Liberal Party of Canada led a majority government for the 18th Canadian Parliament.
Women were first allowed to vote at the federal level in Canada in the 1917 general election in connection with military service, and were allowed to vote under the same conditions as men beginning on May 24, 1918. The next four elections saw only one woman elected: Agnes Macphail. The 1936 election saw two women in the House together for the first time. A by-election in 1941 saw a woman elected to the governing caucus for the first time. The 22nd federal election in 1953 was a slight breakthrough, electing four women, which was 1.5% of the House. Every Parliament thenafter would have at least two women at a time, except for the 28th Parliament from 1968 to 1972, in which Grace MacInnis was the only woman. Then 30th Parliament, elected in 1974, was another breakthrough, containing nine women MPs following the general election and rising to ten due to a by-election in 1976. The number of women in the House would not fall below ten again.
The number of women sitting in the House of Commons increased to a new maximum during the 22nd Canadian Parliament; the number of women senators also increased. 47 women ran for seats in the Canadian House of Commons in the 1953 federal election; four were elected.