Sikhism is a religion.
Guru Granth Sahib ( Punjabi ( Gurmukhi ) : ਗੁਰੂ ਗ੍ਰ ਥ ਸਾਹਿਬ ਜੀ ( Gurū Gra ° th Sāhib Jī ) , [ ɡʊɾu ɡɾəntʰ sɑhɪb ] , [ ' ɡʊəru : _ ɡrʌnt_səˈhɪb ] ) is the central religious scripture of Sikhism , regarded by Sikhs as the final , sovereign and eternal living Guru following the lineage of the ten human Gurus of the religion , of whom six contributed the bulk . Sikhism ( [ ˈsikᵻzəm ] ) , or Sikhi ( ਸਿ ਖੀ , [ ˈsɪkːʰiː ] , from Sikh , meaning a `` disciple '' , or a `` learner '' ) , is a panentheistic religion that originated in the Punjab region of the Indian subcontinent about the end of the 15th century . Sikhism has 25-28 million adherents worldwide and is the ninth-largest religion in the world . Sikhism is a religion originating from South Asia ( predominantly in modern-day India ) which was introduced into the United States during the 19th century .