Between 1970 and 1999, 80 percent of civil conflicts occurred in countries where 60 percent of the population or more were under the age of thirty, according to the PAI report. Today there are sixty-seven counties with youth bulges, of which sixty of them are experiencing social unrest and violence. Demographers are quick to stress that youth bulges do not solely explain these civil conflicts—corruption, ethno-religious tensions, poverty, and poor political institutions also play contributing roles—but nor do they rule out as coincidence the predilection toward social unrest among states with large youth populations
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