How old are 1D in 2014?

In 2014, the members of One Direction were as follows: Harry Styles was born on February 1, 1994, making him 20 years old; Niall Horan was born on September 13, 1993, so he was 21; Zayn Malik was born on January 12, 1993, making him 21; Liam Payne was born on August 29, 1993, so he was also 21; and Louis Tomlinson was born on December 24, 1991, making him 22 years old.