اقتباس:The Australian Bureau of Statistics through statistical analysis held Buddhism to be the fastest growing spiritual tradition/religion in Australia in terms of percentage gain with a growth of 79.1% for the period 1996 to 2001 (200,000→358,000).

اقتباس: * According to the "Pew Forum on Religion & Public Life"[21]

“ Islam is already the fastest-growing religion in Europe. Driven by immigration and high birthrates, the number of Muslims on the continent has tripled in the last 30 years. Most demographers forecast a similar or even higher rate of growth in the coming decades.