A mission sui iuris, or in Latin missio sui iuris, also known as an independent mission, is a rare type of Roman Catholic missionary pseudo-diocesan jurisdiction in an area with very few Catholics, often desolate or remote.
The clerical head is styled Ecclesiastical Superior; he can be a regular cleric, bishop, archbishop or even a cardinal, but if of high rank often resides elsewhere (notably, in another diocese or the Vatican) in chief of his primary office.
In April 2006, the only cases — all of the Latin rite — were:
In Asia:
In the Atlantic Ocean:
In the Caribbean:
In Oceania:
Those for which no province is named are exempt, i.e directly under Rome.