Islam in the Netherlands discuss a common alliance against Spain and the Barbary pirates. Sultan Zidan Abu Maali appointed Samuel Pallache as his envoy, and in 1608 Pallache met with stadholder Maurice of Nassau and the States General in The Hague. In the 19th century the Netherlands administered the archipelago that would become Indonesia, a majority-Muslim country with the largest Muslim population in the world. In the first half of the 20th century hundreds of Indonesian students, sailors, baboes and domestic workers lived in the Netherlands, thus constituting the first sizable Muslim community. In 1932, Indonesian workers established the Perkoempoelan Islam (Islamic Association), which
Muslim population growth Muslims. According to Pew Research, religious conversion has no net impact on the Muslim population as the number of people who convert to Islam is roughly similar to those who leave Islam. It is often reported from most recent various sources in 2010, including the German domestic intelligence service, that Salafism is the fastest-growing Islamic movement in the world. Though according to the "World Christian Encyclopedia", published in 2001, the fastest-growing branch of Islam is Ahmadiyya. However, many Muslims consider Ahmadi Muslims as either "kafirs" or heretics.<ref> Muslim population growth Muslim population growth refers to the topic of population growth