About 6% (400 million) of the world's population are Buddhist. As with any religious affiliation statistic this number is an estimate as people may claim a religion (or deny it) for societal acceptance.
Of the total world population, and depending on the usage of 'God':
A Rasmussen Reports survey found that forty-seven percent (47%) of Americans say that they pray every day or nearly every day and that 18% say they rarely or never pray.
Here is the source. http://legacy.rasmussenreports.com/2005/Prayer.htm
About 90% (excluded would be young children and mentally ill individuals)
Religion - a cause, principle, or system of beliefs held to with ardor and faith (Merriam-Webster Dictionary)
A recent study done identifies that the percentage of Americans that claim to be Christian is only 76%, that is a drop of about 0.9 percent per year for the last 11 years.
The Percent of African American that Practice Religon is 78%
http://www.adherents.com/images/rel_pie.gif
There are over 100 different religions being practiced in the United States.
It is believed that 84 to 92 percent of people believe in one religion or God.
Ontario has the most Christians at 8,167,295. Newfoundland and Labrador has the highest percentage of Christians 93.19%.
Canada has 77% Christians, 16% Islam, 1.1 Hinduisim.
Argentina produces a large percentage of wheat in South America.
The Church of Jesus Christ of Latter-day Saints (the "Mormon" church) reported 3.5 million baptistized members in South America as of January 2012. (South America includes Argentina, Bolivia, Brazil, Chile, Columbia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela)
98%, according to Adherents.com. This figure may include nominal Christians who do not practice their religion to fully participating practitioners.
144,000 Israeli Christians.
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.
19 per cent people are christians
See link "CBS Church Attendance in Decline." It only shows percentage not numbers ofChurch Attendees.
A minority
About 33%.
In gross numbers it would be the US with about 190 million Christians followed by Brazil with 170 million and then Mexico with 96.5 million. By percentage it would be Vatican City at 100 percent.
80/100
234
76% (from Wiki)
70 percent
Approximately 85%