Jason Louv writes:
$ it would take to provide basic education for everybody in the world: $6 billion
Water and sanitation for all: $9 billion
Reproductive health for all women: $12 billion
Basic health and nutrition for all: $13 billion
Total (Education, water, sanitation, reproductive health, food and health for all): $40 billion
Amount that the United States spends on the “New Age” marketplace alone: $44 billion
Update: Did some quick fact checking and it appears the above numbers are from 1998 and pertain only to developing countries, not the whole world. See the comments for more info.