The concept of the “strongest king” in Nigeria is complex because the kings (or traditional rulers) no longer hold sovereign political power under the modern Nigerian government structure. Their strength is measured by their influence, spiritual authority, historical significance, and the number of people who follow them.

Based on these factors, several monarchs are consistently cited as the most powerful and influential:

• The Sultan of Sokoto: Generally considered the most influential traditional ruler, particularly in Northern Nigeria. He is the spiritual leader of Nigerian Muslims, a massive proportion of the country’s population, which gives him significant national influence.
• The Ooni of Ife: Regarded by many as the spiritual head of the Yoruba people, making him one of the most important kings in the South West.
• The Oba of Benin: The head of the historic and ancient Benin Kingdom, his title is one of the oldest and most revered in the country, commanding deep cultural and historical respect.
• The Emir of Kano: Historically and currently a very powerful figure in the North, controlling a major commercial and political center.
• The Alaafin of Oyo: An ancient and historically significant king among the Yoruba, often involved in traditional leadership discussions alongside the Ooni of Ife.

In short, there is no single, universally acknowledged “strongest” king, but the Sultan of Sokoto is often cited as the most influential nationwide due to his religious leadership role over millions of Nigerians.