The majority of the population of central asia practices

jainism

hinduism

christianity

islam

Islam

See for yourself:

In pre-Islamic and early Islamic times, Central Asia was predominantly Iranian,[8][9] populated by Eastern Iranian-speaking Bactrians, Sogdians, Chorasmians and the semi-nomadic Scythians and Parthians.

Source:

Encyclopædia Iranica, "CENTRAL ASIA: The Islamic period up to the Mongols", C. Edmund Bosworth

Hinduism is what they practice more than the other 2

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;