The population of Christians in Meghalaya is approx. 2.5 million which forms 83.3 % of the state population at 2017 census .The official religion of Meghalaya is Christianity. Religion in Meghalaya is closely related to ethnicity. Close to 92% of the Garo and nearly 85% of the Khasi are Christian, while more than 97% of the Hajong, 98.53% of the Koch are Hindu.
At the 2001 census, out of the 689,639 Garo living in Meghalaya, only 49,917 followed their original religion (Songsarek) down from 90,456 in 1991. 9,129 of the Garo were Hindu (up from 2,707 in 1991) and 999 were Buddhist (up from 109 in 1991). There were also 8,980 Muslims.
Unlike the Garo, a significant number of the Khasi still follow their original religion (Niam Shnong / Niamtre). Out of the 1,123,490 Khasi, 202,978 followed the indigenous religion (slightly up from 189,226 in 1991). 17,641 of the Khasi were Hindu (8,077 in 1991) and 2,977 were Muslim.
A number of minor tribes live in Meghalaya, including Hajong (31,381 – 97.23% Hindu), Koch (21,381 – 98.53% Hindu), Synteng (18,342 – 80% Christian), Rabha tribe (28,153 – 94.60% Hindu), Mikir (11,399 – 52% Christian and 30% Hindu), and Kuki (10,085 – 73% Christian and 26% Hindu).