1: Queen Margrethe II of Denmark - Queen Margrethe II abdicated in 2023 after 50 years on the throne.

2: King Juan Carlos I of Spain - King Juan Carlos I of Spain abdicated in 2014 after a 39-year reign.

3: Queen Beatrix of the Netherlands - Queen Beatrix of the Netherlands abdicated in 2013 after a 33-year rule.

4: King Albert II of Belgium - King Albert II of Belgium abdicated in 2013 after a 20-year reign.

5: King Edward VIII of the United Kingdom - King Edward VIII abdicated in 1936 after less than a year as king.

6: Emperor Akihito of Japan - Emperor Akihito of Japan abdicated in 2019 after a 30-year reign.

7: King Felipe VI of Spain - King Felipe VI of Spain succeeded his father Juan Carlos I after his abdication.

8: Queen Juliana of the Netherlands - Queen Juliana of the Netherlands abdicated in 1980 after 31 years on the throne.

9: Pope Benedict XVI - Pope Benedict XVI abdicated in 2013, the first pope to do so in over 600 years.