
Mswati III of Eswatini (formerly Swaziland): Mswati III is the absolute monarch of Eswatini and has an estimated net worth of $200 million. He has been the king since 1986.
King Maha Vajiralongkorn of Thailand: Although not an African king, King Maha Vajiralongkorn owns a palace in Johannesburg, South Africa, and is considered one of the wealthiest monarchs in the world, with an estimated net worth of $30 billion.
Otumfuo Osei Tutu II of Ashanti (Ghana): As the traditional ruler of the Ashanti people in Ghana, Otumfuo Osei Tutu II has an estimated net worth of $10 million.
King Goodwill Zwelithini of the Zulu Nation (South Africa): As the traditional leader of the Zulu people in South Africa, King Goodwill Zwelithini had an estimated net worth of $19 million before his passing in March 2021.