How old is Joko Widodo?

Diana, Princess of Wales

Member of the British royal family known for her humanitarian work and global popularity.

Photo: John Mathew Smith & celebrity-photos.com · CC BY-SA 2.0

Barack Obama

44th President of the United States and the first African American to hold the office.

Photo: Official White House Photo by Pete Souza · Public domain

George Clooney

George Timothy Clooney (born May 6, 1961) is an American actor and filmmaker.

Source: Wikipedia · CC BY-SA 4.0

Photo: Raph_PH · CC BY 4.0

Ilham Aliyev

Ilham Heydar oghlu Aliyev (Azerbaijani: İlham Heydər oğlu Əliyev, born 24 December 1961) is an Azerbaijani politician and statesman who has been the fourth president of Azerbaijan since 2003. He is the son of the previous president, Heydar Aliyev, and has led the New Azerbaijan Party since 2005.

Source: Wikipedia · CC BY-SA 4.0

Photo: Press Service of the President of the Republic of Azerbaijan · CC BY 4.0

Enya

Eithne Pádraigín Ní Bhraonáin (anglicised as Enya Patricia Brennan) (Irish pronunciation:) (born 17 May 1961), known as Enya, is an Irish singer and composer. With an estimated equivalent of more than 80 million albums sold, she is one of the world's best-selling music artists.

Source: Wikipedia · CC BY-SA 4.0

Photo: Orlando Sentinel/ Associated Press · Public domain

Julia Gillard

Julia Eileen Gillard (born 29 September 1961) is an Australian former politician who served as the 27th prime minister of Australia from 2010 to 2013. She held office as the leader of the Labor Party (ALP), having previously served as the 13th deputy prime minister from 2007 to 2010.

Source: Wikipedia · CC BY-SA 4.0

Photo: Dilma Rousseff · CC BY-SA 2.0