Photo galleries world leaders who for a long time in power.
Queen Elizabeth II
UK: 59 years
King Bhumibol Adulyadej
Thailand: 64 year
Sultan Abdul Halim of Kedah
Malaysia: 52 year
Hassanal Bolkiah
Brunei: 43 year
Qaboos bin Said
Oman: 40 years
Muammar Gaddafi: 40 years
Queen Margrethe II
Denmark 39 years
Sweden's King Carl XVI Gustaf
Sweden: 37 years
King Juan Carlos I
Spain: 35 years
President Ali Abdullah Saleh
Yemen: 31 year
Jose Eduardo
Angola: 31 year
Robert Mugabe
Zimbabwe: 30 years
Prince Khalifa bin Salman Al Khalifa
Bahrain: 30 years