In recent years, the Boy Scouts of America has expanded rights for gay people. In 2013, the group ended its ban on openly gay youths participating in its activities. Two years later, the organization ended its ban on openly gay adult leaders ... The Boy Scouts of America claim nearly 2.3 million members between the ages of 7 and 21, and the group counts many notable figures among its alumni and volunteers.

Today, Iceland tops the European table for the cleanest-living teens. The percentage of 15- and 16-year-olds who had been drunk in the previous month plummeted from 42 per cent in 1998 to 5 per cent in 2016. The percentage who have ever used cannabis is down from 17 per cent to 7 per cent ... The way the country has achieved this turnaround has been both radical and evidence-based, but it has relied a lot on what might be termed enforced common sense.

Young people are also reported to have a much more fluid sense of sexual identity and gender. A National Citizen Service (NCS) poll of 1,000 teenagers published in October this year found that only 63% of teens aged 16 and 17 define themselves as 100% straight (compared with 78% of adults). Gender identity is also less binary, with 78% of young men identifying as 100% male, and 80% of young women identifying as 100% female, according to the same NCS poll.

In the coming years, the population of people under the age of 30 in some of the most fragile and unstable countries is going to skyrocket. ... These young people could transform entire regions, making them more prosperous, more just, and more secure. Or they could also unleash a flood of instability and violence. Or both. And if their countries are not able to accommodate their needs and aspirations, they could generate waves of migration for decades.

The Philippines, an archipelago of more than 100 million people in south-east Asia, is experiencing a surge in infections. Of the more than 40,000 people living with HIV, the majority were diagnosed in the past five years and many are young men ... the law prohibits people under 18 from getting an HIV test or taking free condoms from public health clinics without parental consent ... leaving many young people without the means to protect themselves.

By 2030, the number of Saudis over the age of 15 will likely increase by about six million, bringing at least 4.5 million new eligible workers into the labor force, ...That will more than double the size of the adult population, simultaneously stretching the kingdom’s cradle-to-grave system of handouts and subsidies to the breaking point...

Brain areas involved in reasoning and self-control, such as the prefrontal cortex, are not fully developed until the mid-20s—a far later age than previously thought. Brain areas involved in emotions such as desire and fear, however, seem to be fully developed by 17. This pattern of brain development creates a perfect storm for crime: Around the ages of 18 to 21, people have the capacity for adult emotions yet a teenager’s ability to control them.

On any given day, teens in the United States spend about nine hours using media for their enjoyment ... That's more time than teens typically spend sleeping, and more time than they spend with their parents and teachers. And the nine hours does not include time spent using media at school or for their homework.

Niger never has enough of anything. Food, jobs, schools, infrastructure — the landlocked country, 80 percent of which is occupied by the Sahara, lacks it all. Since Niger sloughed off the yoke of colonialism in 1960, military coups, political instability, and ethnic rebellions have hampered tourism, mining, and other economic sectors. Jobs are scant; less than 20 percent of the population is able to read. Today, Niger is dead last on the U.N. Human Development Index.

AT no point in recorded history has our world been so demographically lopsided, with old people concentrated in rich countries and the young in not-so-rich countries.Much has been made of the challenges of aging societies. But it’s the youth bulge that stands to put greater pressure on the global economy, sow political unrest, spur mass migration and have profound consequences for everything from marriage to Internet access to the growth of cities.