William Pitt (the younger) at age 24.
Winston Churchill
Robert Walpole
Harold MacMillan
Rajiv Gandhi was the youngest prime minister
Andrew Holness, Prime Minister of Jamaica
That was Edward Heath, born 1916.
Frederick North, Lord North of Kirtling
Charles A Lindbergh
Skerret
benzeer bhutto
Tony Blair was 44 when he became Prime Minister in 1997. Before him John Major became the youngest Prime Minister of the century in 1990 aged 47.
Archibald Primrose, 5th Earl of Rosebery was appointed by Queen Victoria at age 46.This makes him the youngest Prime Minister ever appointed in the United Kingdom by Queen Victoria.