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Measured global religious composition, 2010-2020

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Pew Research Center's June 2025 study of change between 2010 and 2020 found Christians at 28.8% of world population (about 2.3 billion, down 1.8 points as a share) and Muslims at 25.6% (up 1.8 points, an increase of about 347 million people). The distribution these figures describe still corresponds visibly to the historical routes: Islam concentrated along the Indian Ocean rim and the old caravan belt, Christianity across the Mediterranean, European colonial reach and sub-Saharan Africa.

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Connections · 5
Assembled narrative · 1

Assembled from 60 blocks · 1 evidence · 53 related

  1. Story
  2. Pew Research Center's June 2025 study of change between 2010 and 2020 found Christians at 28.8% of world population (about 2.3 billion, down 1.8 points as a share) and Muslims at 25.6% (up 1.8 points, an increase of about 347 million people). The distribution these figures describe still corresponds visibly to the historical routes: Islam concentrated along the Indian Ocean rim and the old caravan belt, Christianity across the Mediterranean, European colonial reach and sub-Saharan Africa.
  3. Knowledge
  4. Islam
  5. Christianity
  6. Indian Ocean maritime trade network
  7. Hinduism
  8. Judaism
  9. Measured global religious composition, 2010-2020
  10. Connections
  11. Limits of religious diffusion
  12. Christianity
  13. Islam
  14. Hinduism
  15. Judaism
  16. Indian Ocean maritime trade network
  17. Church of the East (Nestorian Christianity)
  18. Alexandria
  19. Constantinople
  20. Judaism
  21. Jerusalem (Old City)
  22. Aksum
  23. Armenia's traditional adoption of Christianity as state religion
  24. The 'Edict of Milan' — toleration and restitution in the Roman Empire
  25. Aksum adopts Christianity under King Ezana
  26. Alopen received at the Tang court
  27. Measured global religious composition, 2010-2020
  28. Indian Ocean maritime trade network
  29. Bukhara
  30. Kashgar
  31. Arab conquest of Transoxiana
  32. Battle of Talas
  33. Mecca (Makkah)
  34. Jerusalem (Old City)
  35. Malacca (Melaka)
  36. The Hijra — the Muslim community's migration from Mecca to Medina
  37. Fall of the Sasanian Empire to the Rashidun Caliphate
  38. Construction phases of the Great Mosque at Kilwa Kisiwani
  39. The ruling house of Malacca adopts Islam
  40. Measured global religious composition, 2010-2020
  41. Indian Ocean maritime trade network
  42. Construction of Borobudur under Shailendra patronage
  43. Measured global religious composition, 2010-2020
  44. Christianity
  45. Jerusalem (Old City)
  46. Measured global religious composition, 2010-2020
  47. Islam
  48. Silk Road religious corridor
  49. Aksum
  50. Kilwa Kisiwani
  51. Hinduism
  52. Zoroastrianism
  53. Aksum adopts Christianity under King Ezana
  54. Zoroastrian migrants reach Gujarat — the Parsi settlement
  55. Construction of Borobudur under Shailendra patronage
  56. Construction phases of the Great Mosque at Kilwa Kisiwani
  57. The ruling house of Malacca adopts Islam
  58. Measured global religious composition, 2010-2020
  59. Evidence
  60. Between 2010 and 2020 Christians fell 1.8 percentage points to 28.8% of world population (about 2.3 billion, an absolute rise of 122 million) while Muslims rose 1.8 points to 25.6% (an absolute rise of 347 million); Christians remained the largest group and Muslims the fastest-growing.
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/atlas?object=EVENT_PEW_GLOBAL_LANDSCAPE_2020&experience=EVENT_PEW_GLOBAL_LANDSCAPE_2020