Whatever the reasonthe expiry of parliament's term, the choice of the prime minister, or a government defeat in the House of Commonsa dissolution is followed by general elections. If the prime minister's party retains its majority in the House of Commons, then the prime minister may remain in power. On the other hand, if their party has lost its majority, the prime minister may resign or may attempt to retain leadership by winning support from members of other parties. A prime minister may resign even if he or she is not defeated at the polls (for example, for personal health reasons); in such a case, the new leader of the outgoing prime minister's party becomes prime minister.
Whatever the reasonthe expiry of parliament's term, the choice of the prime minister or a government defeat in the House of Commonsa dissolution is followed by general elections. If the prime minister's party retains its majority in the House of Commons, then the prime minister may remain in power. On the other hand if their party has lost its majority, the prime minister may resign or may attempt to retain leadership by winning support from members of other parties. A prime minister may resign even if he, or she is not defeated at the polls (for .example, f,or personal health reasons); in such a case, the new leader of the outgoing prime minister's party becomes prime minister