Founded: Around 500 BCE

Origin: Ancient India

Founder: Jina Vardhamana Mahavira 

Sacred Texts: Tirthankara Rishabhanatha and other scriptures called Agamas

Followers: Jains

Current Population: 4 to 5 million

Founded: 700 CE or earlier

Origin: Japan

Sacred Texts: Several books of lore and history

Followers: Shinto practitioners, Shintoists

Current Population: 100 million

Founded: Late 1400s

Origin: Punjab, India

Founder: Guru Nanak

Sacred Text: Guru Granth Sahib

Followers: Sikhs

Current Population: 30 million

Founded: 300s BCE

Origin: Ancient China

Founder: Laozi (or Lao Tzu)

Sacred Texts: Tao Te Ching, Zhuangzi, I Ching

Followers: Taoists

Current Population: 12 to 173 million

Founded: 1863

Origin: Iran and the Middle East

Founder: Bahá'u'lláh

Sacred Texts: The writings of Bahá'u'lláh and others

Followers: Bahá'ís

Current Population: 5 to 7 million

Founded: 15th - 6th century BCE

Origin: Iran

Founder: Zoroaster

Sacred Texts: Avesta

Followers: Zoroastrians

Current Population: 100,000 - 200,000