since man began how many people have lived and died

Hi bioplume and thank you for the question.

Estimates vary, but it seems that approximately 96 - 110 billion
people have lived and died since the beginning of man.

"one estimates that 96,100,000,000 people have lived on the earth."
http://www.math.hawaii.edu/~ramsey/People.html

"This projection yields a total of about 110 billion persons that have
ever lived on the planet Earth"
http://members.bellatlantic.net/~bjmcg/story2_peple_lived.html

"Applying a high birthrate to that population, we can estimate a total
106 billion humans have been born"
http://www.discover.com/ask/main57.html

"it is likely that more than 100 billion human beings have been born"
http://www.overpopulation.com/faq/basic_information/how_many_ever.html

"This semi-scientific approach yields an estimate of about 105 billion
births since the dawn of the human race."
http://geography.about.com/gi/dynamic/offsite.htm?site=http%3A%2F%2Fwww.prb.org%2FContent%2FNavigationMenu%2FOther_articles%2FJuly-September_20001%2FHow_Many_People_Have_Lived_On_Earth_.htm

Thank you for the question and if you need any clarification of my
answer do not hesitate to ask.

Best regards

THX1138

For more estimates about the total number of people who have been born
and who have died, try the search strategy below.

Search strategy:
"people have ever lived"
://www.google.com/search?q=+%22people+have+ever+lived%22&hl=pt&lr=&ie=UTF-8&as_qdr=all&start=10&sa=N

extreamly satisfied with answer thank you Rand