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4 sourced facts about religion and religious life, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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The basics

About how many people take part in the Hajj pilgrimage to Mecca each year?

Answer2-3 million a year

Since 2014, roughly two to three million Muslims have made the Hajj pilgrimage to Mecca each year, one of the largest gatherings on Earth.

Source: Wikipedia, Pilgrimage (2014) en.wikipedia.org

Going deeper

What share of Americans said they believe in a higher power in a 2021 survey?

Answer91%

91% of Americans said in 2021 that they believe in some kind of higher power, even among many who don't identify with organized religion.

Source: Pew Research Center, via Wikipedia (2021) en.wikipedia.org

Expert level

How did the share of Americans saying religion is 'very important' change from 1965 to 2023?

Answer70% to 45%

The share of Americans calling religion 'very important' in their life dropped from 70% in 1965 to 45% in 2023.

Source: Gallup, via Wikipedia (2023) en.wikipedia.org

About how many pilgrims and tourists visit the Imam Reza Shrine in Mashhad, Iran each year?

Answermore than 20 million

The Imam Reza Shrine in Mashhad draws more than 20 million pilgrims and tourists annually, making it one of the world's busiest religious sites.

Source: Wikipedia, Pilgrimage (2023) en.wikipedia.org

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