How many people walked on the moon as of 2021?

1. 12
2. 10
3. 14
4. 8

Following 12 people walked on the Moon till 2021

1. Neil Armstrong (1930-2012)—Apollo 11
2. Edwin “Buzz” Aldrin (1930-)—Apollo 11
3. Charles “Pete” Conrad (1930-1999)—Apollo 12
4. Alan Bean (1932-2018)—Apollo 12
5. Alan B. Shepard Jr. (1923-1998)—Apollo 14
6. Edgar D. Mitchell (1930-2016)—Apollo 14
7. David R. Scott (1932-)—Apollo 15
8. James B. Irwin (1930-1991)—Apollo 15
9. John W. Young (1930-2018)—Apollo 10 (orbital), Apollo 16 (landing)
10. Charles M. Duke (1935-)—Apollo 16
11. Eugene Cernan (1934-2017)—Apollo 10 (orbital), Apollo 17 (landing)
12. Harrison H. Schmitt (1935-)—Apollo 17