Sirimavo Bandaranaike was Prime Minister of Ceylon and Sri Lanka three times from 1960–65, 1970–77 and 1994–2000 serving almost 18 years combined. She was also the first female leader in modern history.

Indira Gandhi was Prime Minister of India from 1966 to 1977 and then again from 1980 until her assassination in 1984 serving just over 16 years combined.

Margaret Thatcher was the Prime Minister of the United Kingdom from 1979 and resigned in 1990 serving almost 12 years.

Angela Merkel is Chancellor of Germany, which is a more powerful seat than Germany's Prime Minister, since November 2005 to present is serving 11 years...

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