Transcription: The Vatican is the world's smallest independent state, comprising an area of only 44 hectares and a population of only 1,000 permanent inhabitants. One of its most impressive buildings is St. Peter's Basilica, one of the largest Christian churches in the world. A church has been on this site since the 3rd century AD. Despite its tiny geographical size, the Vatican's global influence is enormous as it is the religious and cultural center for the Catholic Church. Church. Pope John Paul II, who was elected in 1978, is the spiritual leader of around one-fifth of the world's population.