A study found that the average admixture on the island was 78.3% Sub-Saharan African, 16.0% European, and 5.7% East Asian. Another study in 2020 showed that Jamaicans of African descent represent 76.3% of the population, followed by 15.1% Afro-European, 3.4% East Indian and Afro-East Indian, 3.2% Caucasian, 1.2% Chinese and 0.8% other. A 2012 genetic study on Jamaican Y-chromosomal ancestry has revealed that the population "exhibit a predominantly Sub-Saharan paternal component, with haplogroups A1b-V152, A3-M32, B2-M182, E1a-M33, E1b1a-M2, E2b-M98, and R1b2-V88" comprising 66.7% of Jamaican paternal gene pools. Y-chromosomes indicative of European ancestry "(i.e., haplogroups G2a*-P15, I-M258, R1b1b-M269, and T-M184) were detected at commensurate levels at 18.9%". Y-haplogroups indicative of Chinese O-M175 (3.8%) and Indian H-M69 (0.6%) and L-M20 (0.6%) ancestry were found at significant levels.