Margaret Thatcher was the most senior politician within the Conservative Party in the United Kingdom.
At the 2001 general election, Thatcher supported the Conservative campaign, as she had done in 1992 and 1997, and in the Conservative leadership election following its defeat, she endorsed Iain Duncan Smith over Kenneth Clarke
"Thatcher's job approval rating fell to 23% by December 1980, lower than recorded for any previous prime minister

