| Years Represented | Answer | % Correct |
|---|---|---|
| 1834 - | Conservative and Unionist Party | 100%
|
| 1900 - | Labour Party | 98%
|
| 2010 - | Green Party of England and Wales | 94%
|
| 1859 - 1988 | Liberal Party | 94%
|
| 2024 - | Reform UK | 92%
|
| 1707 - 1834 | Tory Party | 91%
|
| 1707 - 1859 | Whig | 91%
|
| 1865 - 1869 | Reform League | 90%
|
| 1970 - | Scottish National Party (SNP) | 90%
|
| 1988 - | Liberal Democrats | 88%
|
| 1917 - 1922 1955 - 1959 1983 - 1992 1997 - | Sinn Féin | 87%
|
| 2008 2014 - 2017 | UK Independence Party (UKIP) | 83%
|
| 1974 - | Democratic Unionist Party (DUP) | 82%
|
| 1966 - 1970 1974 - | Plaid Cymru | 81%
|
| 1922 - 2010 2015 - 2017 2024 - | Ulster Unionist Party (UUP) | 75%
|
| 1920 - 1923 1924 - 1929 1935 - 1950 | Communist Party of Great Britain (CPGB) | 72%
|
| 1988 - 1990 | Social Democratic Party ("continuing SDP") | 71%
|
| 1981 - 1988 | Social Democratic Party (SDP) | 71%
|
| 1973 - 1974 2010 - 2015 2019 - | Alliance Party of Northern Ireland (APNI) | 66%
|
| 2024 | Workers Party of Britain | 65%
|
| 1974 - 2017 2019 - | Social Democratic and Labour Party (SDLP) | 63%
|
| 1919 - 1920 | British Socialist Party (BSP) | 58%
|
| 2021 - 2024 | Alba Party | 56%
|
| 1917 - 1921 | National Party | 53%
|
| 2024 - | Traditional Unionist Voice (TUV) | 49%
|
| 1874 - 1918 | Irish Parliamentary Party (IPP) | 34%
|
| 2019 | Change UK (The Independent Group) | 33%
|
| 2005 - 2010 2012 - 2015 | Respect Party | 33%
|
| 1918 - | Co-operative Party | 29%
|
| 1893 1900 - 1947 | Independent Labour Party (ILP) | 23%
|
| 1931 - 1968 | National Liberal Party | 23%
|
| 1969 - 1970 | Democratic Party | 22%
|
| 1997 | Referendum Party | 22%
|
| 1886 - 1912 | Liberal Unionist Party | 18%
|
| 2023 | Reclaim Party | 17%
|
| 2001 - 2010 | Independent Kidderminster Hospital and Health Concern | 16%
|
| 1873 - 1882 | Home Rule Party | 15%
|
| 1970 - 1971 | Protestant Unionist Party (PUP) | 15%
|
| 1931 | New Party | 14%
|
| 1942 - 1946 | Common Wealth Party | 13%
|
| 1882 - 1900 | Irish National League | 12%
|
| 1888 - 1892 | Scottish Labour Party (SLP) | 10%
|
| 1976 - 1979 | Scottish Labour Party (SLP) | 10%
|
| 1974 - 1978 | Vanguard Unionist Progressive Party (VUPP) | 9%
|
| 2006 - 2010 | Blaenau Gwent People's Voice | 8%
|
| 1995 - 2001 | UK Unionist Party (UKUP) | 8%
|
| 1892 - 1922 | Irish Unionist Alliance | 7%
|
| 1909 - 1918 | All-for-Ireland League | 5%
|
| 1885 - 1895 | Crofters Party | 5%
|
| 1918 - 1924 | National Socialist Party | 5%
|
| 1922 - 1931 | Scottish Prohibition Party | 4%
|
| 2019 | Birkenhead Social Justice Party | 3%
|
| 1973 - 1974 | Democratic Labour Party | 3%
|
| 1951 - 1955 | Irish Labour Party | 3%
|
| 1932 - 1940 | Scottish Socialist Party | 3%
|
| 1943 | Northern Ireland Labour Party (NILP) | 2%
|
| 1966 - 1970 | Republican Labour Party (RLP) | 2%
|
| 1980 - 1995 | Ulster Popular Unionist Party (UPUP) | 2%
|
| 1921 - 1922 | Anti-Waste League | 1%
|
| 1976 | English National Party | 1%
|
| 1852 - 1858 | Independent Irish Party (IIP) | 1%
|
| 1834 - 1891 | Irish Conservative Party | 1%
|
| 1949 - 1950 | Labour Independent Group | 1%
|
| 1918 - 1922 | National Democratic Party (NDP) | 1%
|
| 1832 - 1847 | Repeal Association | 1%
|
| 1930 - 1931 | Empire Free Trade Crusade | 0%
|
| 1945 - 1949 | Federation of Labour | 0%
|
| 1847 - 1848 | Irish Confederation | 0%
|
| 1935 - 1939 | Nordic League | 0%
|
| 1918 - 1922 | Ulster Unionist Labour Association (UULA) | 0%
|
| 1930 - 1931 | United Empire Party | 0%
|