New data from a group focusing on church planting points to immigration as a key element in the growth of Spanish churches in the last decade.

Almost 8,000 municipalities do not have an evangelical presence yet, says church planter Máximo Álvarez in an interview.

With more than 4,000 places of worship, evangelicals continue to advance in number in Spain. In an interview, researcher Máximo Álvarez analyzes this increase.