2009 World Population Data Sheet 2009 World Population Data Sheet next year Population Reference Bureau’s next year 2009 World Population Data Sheet next year next year Population Reference Bureau “World Population Data Sheet” 2009 World Population Data Sheet next year Population Reference Bureau next year 2009 World Population Data Sheet Population Reference Bureau 2009 World Population Data Sheet http://prb.org/Publications/Datasheets/2009/2009wpds.aspx Population Reference Bureau