There may be a billion Christians in the world out of six and a half billion people, so that makes around 15 %.
The Roman Empire(present-day Italy) was the first to establish Christianity as an official religion.
it was originated in judea (present day israel)
Axum
Axum
fifty percent
Christianity started in Judea in present day Israel, which was a province of the Roman Empire. It then spread around this empire.
The Kingdom of Aksum.
Christianity started in Israel, with the death and ressurection of Jesus Christ.
In modern day Israel, although many of the early churches were founded across modern day Turkey.
I guess the answer would be Israel, former know as Canaan, the holy ground.
Christianity was introduced into India by the Apostle Thomas in the 1st century AD. He is believed to have preached in present-day Kerala and Tamil Nadu regions.
The vast majority of the world's population of Jews was not present.