These are some photos of the longest serving world leaders as they were when they first took office and as they appear now. Although they have aged it wasn’t their looks that kept them in office for decades.King Bhumibol Adulyadej of Thailand: 64 yearsQueen Elizabeth II of the United Kingdom: 59 yearsSultan Abdul Halim of Kedah (Malaysia): 52 yearsHassanal Bolkiah of Brunei: 43 yearsQaboos Bin Said of Oman: 40 yearsMuammar Gaddafi of Libya: 40 yearsQueen Margrethe II of Denmark: 39 yearsKing Carl XVI Gustaf 0f Sweden: 37 yearsKing Juan Carlos I of Spain: 35 yearsPresident Ali Abdullah Saleh of Yemen: 31 yearsJosé Eduardo dos Santos of Angola: 31 yearsRobert Mugabe of Zimbabwe: 30 yearsPrince Khalifa bin Salman Al Khalifa of Bahrain: 30 years
