Hyderabad, June 10 -- Between 2010 and 2020, Christianity, which is still the world's biggest religious group, saw a decline while Muslims have relatively increased. A new report by Pew Research Centre, titled How the Global Religious Landscape Changed From 2010 to 2020, collected data from over 2,700 surveys and censuses in 117 countries.

Rapid growth of Islam

It is observed that between 2010 and 2020, Islam grew rapidly. The Muslim population rose by 347 million, more than all other religions combined. The share of the world's population that is Muslim rose to 25.6 percent.

"Although Christian believers rose by 122 million, reaching 2.3 billion, their population has fallen by one percent, to 28.8 percent," the report read.

Rise of n...