Simplify the following text for a Grade 7 native English-speaking person.
Original: The Ahmadiyya Muslim Community has established centers in 195 countries and states that its membership is in the tens of millions , while the Lahore Ahmadiyya Movement states it is established in 17 countries of the world .
Simplified: The smaller faction , known as the Lahore Ahmadiyya Movement , is active in 17 countries of the world .