Only God knows. Seriously.
There is no requirement for denominations to register with any governing body, so there are a great many small denominations, some of which do not have a physical church, and therefore would be exceedingly difficult to count.
The below link is a possible reference.
A recent survey found over 30,000 churches/organizations worldwide calling themselves Christian - each with a degree of difference. These are predominantly found in 5 main groupings: Catholic, Orthodox, Protestant, Evangelical, Pentecostal types.
An interesting note here is that more and more 'Christians' are calling themselves 'unaligned' as the mainstream groups have not satisfied their personal needs - whether they are of biblical significance or just convenience for the individual's life style.
For the most part, there are 5 branches or denominations: Catholic, Orthodox, Protestant, Evangelical, and Mormon/other. Within each branch are usually found numerous sects
There are more than 30,000 Christian denominations. There are about 40,000 Christian church organizations.
the Number of christianty in India is unknown
30AD
There are thousands of Protestant denominations.
Saint Paul
where did Christianity begin?
Jesus Christ
christianty
There are thousands of Protestant denominations in the world.
their two denominations in jamaica
Christianty
Paul started Christianty
The Holy Bible.