Context: According to recent estimates, 50% of the population adheres to Christianity, Islam 48%, while 2% of the population follows other religions including traditional African religion and animism. According to a study made by Pew Research Center, 63% adheres to Christianity and 36% adheres to Islam. Since May 2002, the government of Eritrea has officially recognized the Eritrean Orthodox Tewahedo Church (Oriental Orthodox), Sunni Islam, the Eritrean Catholic Church (a Metropolitanate sui juris) and the Evangelical Lutheran church. All other faiths and denominations are required to undergo a registration process. Among other things, the government's registration system requires religious groups to submit personal information on their membership to be allowed to worship.

Question: What percentage of Eritrea is estimated to adhere to Christianity?
Answer: 50%

Question: What percentage of Eritrea is estimated to adhere to Islam?
Answer: 48%

Question: What do unrecognized faiths and denominations in Eritrea have to undergo?
Answer: a registration process

Question: What does the government's registration system require religious groups to submit about their membership?
Answer: personal information

Question: When did the Eritrean government begin to officially recognize certain churches?
Answer: May 2002

Question: How many people followed animism according to the Pew Research Center?
Answer: Unanswerable

Question: According to recent estimates, how many people follow just animism in Eretria?
Answer: Unanswerable

Question: What percentage of people are in the Eritrean Catholic Church according to recent estimates?
Answer: Unanswerable

Question: As of May 2002 what percentage of Eritrean people were in the Evangelical Lutheran church?
Answer: Unanswerable

Question: What percentage of people attend the Eritrean Orthodox Tewahedo Church in recent years?
Answer: Unanswerable