According to this webpage: http://soccernet.espn.go.com/players/international?id=14104&cc=5901&league=uefa.euroq He is 31.
if you mean Luka Megurine as in the vocaloid, her character is supposed to be 20 years old. However, her software was released on Jan. 30. 2009, so the software would be a little over 3 years.
Luka Modrić is 25 years old (birthdate: September 9, 1985).
Luka Popovic is 25 year old.
Her vocal package was released on January 30th 2009. So nearly 2 years old. Her character is 20 years old.
Her 1st son was born December 2001, and her second son was born March 2003. The oldest son is 8, the youngest son just turned 7.