Can this be true President Jonathan is the 6th richest African president?

Richestlifestyle.com released their Richest African President list recently and they placed Nigeria's president at number 6 with a net-worth of $100million. And they know this how? According to the list, the richest president in Africa, Jose Eduardo dos Santos of Angola, is worth $20billion.




The 9 Richest African Presidents and Kings as of 2014:

9) Robert Mugabe – Net Worth: $10 Million
Country: Zimbabwe, Years in Power: 26

8) Idriss Deby – Net Worth: $50 Million
Country: Chad, Years in Power: 23

6) King Mswati III – Net Worth: $100 Million (tie with president Jonathan)

Country: Swaziland, Years in Power: 28

5) Paul Biya – Net Worth: $200 Million Country: Cameroon, Years in Power: 31
  
4) Uhuru Kenyatta – Net Worth: $500 Million

Country: Kenya, Years in Power: 1

3) Teodoro Obiang Nguema Mbasogo – $600 Million
Country: Equatorial Guinea, Years in Power: 34
  
2) Mohammed VI of Morocco – Net Worth: $2.5 Billion
Country: Morocco, Years in Power: 15
  
1) Jose Eduardo dos Santos – Net Worth: $20 Billion
Country: Angola, Years in Power: 34