Christianity-

• 2.2 Billion (largest in the world)
• Christians 
• Located in Americas, Europe, and Southern Africa 
• Founder is Jesus Christ 
• The Bible is the holy book

Islam-

• 1.5 Billion 
• Muslims 
• Located in Indonesia, Middle East, and Northern Africa 
• Two major groups Sunnis (75%-90%) Shiites (10%-20%)
• Qur'an 

Hindu -

• 1.1 Billion (Third Largest in world) 
• Hindus 
• Located in India, and Nepal 
• The Vedas 

Buddhist -

• 500 million - 1.5 million 
• Buddhist 
• Located in Southeast Asia, China, Nepal, Japan, and 1.2 billion in the United States

Judaism - 

• 14 - 18 million (ninth)
• Jews 
• Located in Israel 
• Talmud and Torah