The Size and Distribution of the World's Christian Population

A comprehensive demographic study finds that there are 2.18 billion Christians of all ages around the world, representing nearly a third of the estimated 2010 global population of 6.9 billion. Christians are also geographically widespread, and no single region can indisputably claim to be the center of global Christianity.

Islamic world, History, Population, & Map

PDF) Yearbook of International Religious Demography 2015

Projected Changes in the Global Christian Population

Religion and educational mobility in Africa

Nineteen Sixty-four: Yes Virginia, there are still Christians (including Catholics) in Europe

How religious will the world be in 2050?

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Is Christianity Shrinking or Shifting? - Lausanne Movement

Share of global population by religion 2022

what percentage of the world is religious –

Demographics of the world - Wikipedia

MAPPING THE CHRISTIAN POPULATION A Report on the Size and Distribution of the North Africa, Middle East, Arab Gulf and Central Asia Christian Population. - ppt download

Religions, Free Full-Text