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