Promovida por los Misioneros Claretianos
The national census in 2002 estimated the population of the city of Kampala at 1,189,142. The Uganda Bureau of Statistics (UBOS) estimated the population of Kampala at 1,420,200 in 2008. In 2011, UBOS estimated the mid-year population of the city at 1,659,600.Total Population of the Diocese is 3,592,053. Catholic Population is 1,505,053 (42%). 51 Parishes and 389 Sub-stations (sub-parishes). Total number of Priests (Religious & Diocesan) is 345.
On August 5, 1966, the Holy See joined together a section of the Diocese of Kampala and the Archdiocese of Rubaga to create the Archdiocese of Kampala. It was covering most parts of Central Uganda. His Grace Emmanuel K. Nsubuga (later Cardinal) was consecrated on 30th October 1966 to become the first Ordinary of the newly created Archdiocese of Kampala.