| http://www.w3.org/ns/prov#value | - ???After decades of wars, a depression, immigration surges, baby booms, boomlets and busts, we are entering a new era of modest growth,??? said William H. Frey, a demographer at Brookings Institution who analyzed the numbers. ???This is a result of our aging population, lower fertility rates and immigration levels that will probably not produce sharp population spikes.???
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