Abdullah Bin Abdul Aziz
Abdullah Bin Abdul Aziz has been the king of Saudi Arabia since 2005. This wealthy country owns 20 percent of known oil reserves, and as king, his net worth is estimated between $19 billion and $21 billion, according to World’s Luxury Guide.
Since he became king, he has focused on developing cities and improving the economic situation of the country.
He has increased spending on education, and after he came to power, the number of public universities has increased from 8 to 24, including the Princess Nourah bint Abdulrahman University for women, according to Gulf News.
He has also set up a number of welfare projects costing around $160 billion, including constructing new houses, establishing a minimum wage with government assistance, and providing unemployment benefits, according to the Saudi Gazette.