During the blessed period of the Fourth Caliphate 5200 mosques have been built around the world. The ones built in Guatemala, Silver Spring (Washington), USA, Toronto, Canada, and Los Angeles, California is worthy of note. Mosques have also been built in the following countries: Nigeria, Ghana, Indonesia, Sierra Leone, Mauritius, Germany, United Kingdom, Trinidad, and the Fiji Islands. The Ahmadiyya Community is vigorously pursuing the project of building one hundred new mosques in Germany.

New mosques and preaching centers are being constructed under the auspices of the blessed scheme of Tehrike Jadid that is now established in 110 countries of the world. The members contributed a total of 1,974,600 pound sterling last year toward this project. Total number of participants in this project is well over three hundred and ten thousands.

By divine grace the Ahmadiyya Jamaat is now established in 170 countries of the world. In 1984 total number of countries with active preaching Centers was ninety-one. In the US there are 36 mosques and centers currently operating. Forty acres of land has been recently purchased across from the Bait ar-Rahman mosque in Silver Spring, Maryland.

In Canada there are 10 mosques and 27 branches now operating in major Canadian cities. The Ahmadiyya Muslim Jamaat Canada purchased a huge complex last year (2000) in Mississauga, Ontario, at a cost of two million dollars that is now used as a mosque, Community center and computer training school. Next to the majestic Bait al-Islam mosque in Maple (35km north of Toronto) 150 houses have been constructed for Ahmadi families. One time farmland has been turned into an idyllic, bustling Ahmadiyya township.