how many people believe aliens exists?

there are people that do believe alien life exists, this is a fact. now many? hard to tell. how many do like McDonald's? how many do like Pepsi? what about music? what about believing in God, or a god? statistics on these issues are neither at hand nor relevant, as masses' affinities regarding these preoccupations constantly change. however, we are entitled to believe that there are subscribers for all these lists. this is one guy that really got deep and thoroughly into the human life origin problem: http://cristiannegureanu.blogspot.com/2008/11/re-considering-human-origins.html . moreover, if we keep an eye out for news take a look at current discoveries regarding this subject, there's always something new to a pro-alien-life-existence theory, such as this news that got released today: http://www.gemini.edu/node/11151 .