In the entire world, Decile (Decile 
) is a rare feminine first name. The first name Decile is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare girly name. Much less frequently, Decile is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Decile | South Africa, United States, Argentina, Brazil, Democratic Republic of the Congo |