The U.N.#39;s Day of 8 Billion milestone on November 15 is more symbolic than precise, officials are careful to note in a wide-ranging report released over the summer that makes some staggering projections. The upward trend threatens to leave even more people in developing countries further behind, as governments struggle to provide enough classrooms and jobs for a rapidly growing number of youth, and food insecurity becomes an even more urgent problem.
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