This is Betty Chang.
Chang (Zhang) is the most common family name in the world!
There are 100 million people called Chang in and Taiwan.

This is Mohammed Yilmaz.
Mohammed is the most common or given name in the world.
Mohammed is only a name.
It means "praised." Now Mohammed is the 20th most popular boys name in the .

This is Amy Smith.
Smith is the most common name in the U.S.
There are million Smiths in the U.S.
Many names were based on jobs.
A smith was a person who put metal shoes on .