The largest Christian nation in Asia is the Philippines before the East Timor.
Mongolia is the largest nation in Central Asia.
India is the largest independent nation on the subcontinent of South Asia.
The main religion in Asia is Islam and Buddhism. In South Korea and China has a small percentage of Christians, in East Timor has over 1 million Christians and this is small country, therefore the Philippines is the only Christian nation in Asia because the Philippines has over 85 million Christians and that is 92% of the total population of the Philippines. The Philippines has the largest population of Christians in Asia and it is the largest Christian nation in Asia.
Russia is the largest nation in the world. It is in northern Europe and Asia
China is the largest country in east Asia.
I believe that the nation with the largest Christian population is China.
Indonesia
India
India
The United States is the largest Christian nation.
Burma
Philippines is the only Christian Nation Across the South East Asia