These 20 countries and territories are home to most of the world's 2,755 billionaires

An office worker walks along the Singapore River front during the lunch hour.Wong Maye-E/AP

• There are 2,755 people in Forbes' 35th annual ranking of the world's billionaires.
• Almost every country added more billionaires in 2021, and the Top 20 had some noteworthy shakeups.
• Here are the 20 countries and territories that most of the world's richest people call home.

The US and China have the lion's share of the world's richest people, unsurprisingly. But almost every country in the world saw their number of billionaire residents rise this year, according to Forbes' 2021 Billionaires List.

This means there's plenty of shakeups and surprises on the list of countries with the most billionaires.

India, for example, broke into the Top 3 after adding 19 new billionaires this year, according to Forbes' ranking. Italy, meanwhile, made it into the Top 10.

Forbes' list of billionaires for 2021 includes 2,755 people. The following places are home to 2,444 of these billionaires.

Here are the 20 countries and territories with the biggest number of the world's billionaires: