The Philippines
As of 2021, there are approximately 230 million Christians in the United States, making Christianity the largest religion in the country.
Yes, it is Spain with about 20% of the current population.
China probably has more Christians than any other country, because there are an estimated 70 million Christians in China, but that is in a country with a population of over 1 billion people, so it might not be the country with the largest PERCENTAGE of Christians. Many Christians are in Europe and North America, but I don't know the exact number.
Russia, which has more than 100 million Orthodox Christians.
Armenia is a transcontinental country between Europe and Asia and is 98.7% Christian (the 6th largest percentage in the world). Armenia was also the first country to adopt Christianity. Timor-Leste has the largest percentage of any country wholly in Asia, at 98.4%. China has the largest number of Christians, at 150,959,000, but this number only represents 12.7% of the country.
Nigeria has about 80 million Christians, but that's only 50% of the population. Equatorial Guinea, on the other hand, has about 683,000 Christians, representing more than 98% of the population.
Yes, approximately 11% are Christian. Islam is the predominant religion (67%), followed by Buddhism (mostly Chinese) at 13%. After the Phillipines, it is by proportion the country has the largest number of Christians of any country in the Asian Pacific.
Nigeria, with some 73 million Christians is the African country with the largest number of Christians. It is suggested that, as Europe and the Americas largely abandon Christianity, Africa will become the new centre of the Christian faith at least in terms of population.
The United States has about 225,000,000 Christians; making it the country with the most Christians in the world.However this number includes a significant proportion of people who profess Christianity, but do not regularly attend church or practice Christian sacraments.
Approximately 65-70% of the population in Brazil identifies as Christian, with Catholicism being the largest denomination followed by various Protestant denominations. The country also has a growing number of Evangelical Christians.
India is a country which has the largest number of tigers because of its forests