The are over 12.500 members in the Order today as well as tens of thousands auxiliaries in many countries.
The actual members of the Order are divided into three classes or categories :
The Knights of Justice and Conventual Chaplains who have taken the three monastic vows
Knights of Obedience, who make a promise to strive for Christian perfection in accordance with the spirit of the Order.
- Knights and Dames of Honor and Devotion
- Conventual Chaplains "ad Honorem"
- Knights and Dames of Grace and Devotion
- Magistral Chaplains
- Knights and Dames of Magistral Grace
- Donats of Devotion
The Grand master must be chosen from members of the First Class.