Worldwide, Жака (Jaka 
, Zhaka 
, Жака 
) is a common primarily masculine, but very seldom girly first name. The first name Жака is habitual in Slovenia, where it is quite a common masculine name, Indonesia, where it is quite a common primarily boy's, but very seldom feminine name, and Brunei, where it is quite a rare masculine name. Measured by absolute frequency, this name is the most popular in Indonesia, India, and Slovenia. Much less frequently, Жака is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jaka | Tanzania, Taiwan, India, Indonesia, Slovenia |
| Zhaka | Albania, Italy, United States, Indonesia, Malaysia |
| Жака | Kazakhstan, Russia |