☬ 15th-century Punjab
Sikhism
Concentrated in Punjab, with the largest diaspora communities in Canada, the UK and Australia.
Adherents
30m
Share of world
0.4%
Median age
30
Net from switching
-0.1m
Where it is actually moving
Very low switching; the visible change is migration — Canada's Sikh population has more than doubled since 2001.
Largest Sikh populations
India
28.6m · 2%Pew's landmark India survey found 98% of Indian adults still identify with the religion they were raised in — the lowest switching rate of any large country on Earth.
Canada
0.8m · 2%Canada's Sikh population has more than doubled since 2001 and now exceeds 770,000, the largest share of any country outside India.
United Kingdom
0.7m · 1%England and Wales became majority non-Christian for the first time in the 2021 census — the fastest recorded religious change in British history.
Australia
0.3m · 1%'No religion' overtook Christianity in the 2021 census; Hinduism and Sikhism are the country's fastest-growing faiths, driven by migration.