Credits

Where the information on this site comes from.

Data

• Wikidata: birth dates, the offices people held and the dates they started and left. Released under CC0 (public domain).
• Wikipedia: summaries and links. Text is available under the Creative Commons Attribution-ShareAlike 4.0 license. Each summary links to its article.

Photos

Photos of leaders come from Wikimedia Commons, where every image is freely licensed. Licenses and photographers vary by image; select a photo to see its credit and license on Commons.

Ages

Ages are calculated on this site from a birth date and the date a term started or ended. The sources are edited by volunteers and can be wrong or out of date.

Independence

This site is not affiliated with or endorsed by any government, political party, office-holder, Wikipedia or the Wikimedia Foundation. It shows ages and dates only, and takes no position on any person or party.

Fonts

Big Shoulders Display and Instrument Sans, both under the SIL Open Font License, served from this site. The coffee cup is from Google's Noto Emoji, under the Apache License 2.0.