Special ReportGirls: The Path to Gender EqualityInvesting in girls and narrowing the gender gap brings a ‘triple benefit’ to society© Siân DaveyWhy invest in teenage girls?The economic argument is compelling: adolescence is the moment to secure a triple benefit for societyTanzania’s enemies of the state: pregnant young womenThe country’s president has condemned teenage girls who become pregnant as ‘immoral’, banning them from ever returning to schoolA husband or a degree? India’s teenage girls struggle with urban aspirationsMore Indian girls are enrolled in schools than ever before, but a web of pressures threatens to dislodge their education at any timeNepali women on their period sent out in the cold‘Chhaupadi’, the practice of banishing menstruating girls, is divisive and potentially dangerousKristalina Georgieva: Educating adolescent girls is vitalWorld Bank chief executive says the plight of young women can only be addressed properly if more women become policymakers“Our community loves boys more.” Armenia’s missing girlsThe implications of a skewed sex ratio for women’s health, as well as the national economy and security, are profoundMore from this Special ReportSyrian refugees married early face isolation and domestic violenceAs the authorities attempt to break the cycle of abuse, victims are finding the courage to speak outDutch minister Lilianne Ploumen: Why I stood up for adolescent girlsAmerica’s regressive policies on abortion are a calamity for girls’ and women’s rights that the rest of the world must counterPhoto essay: Martha and meSiân Davey’s visual exploration of her stepdaughter’s adolescence and their slowly changing relationshipEl Salvador’s teenage girls trapped by turf warsStreet gangs pose a constant threat for young women in a country where violence is an inescapable fact of lifeManchester’s teenage girls determined to break the mouldJihadist attack provoked outpouring of support from city’s disparate communitiesChildren of America’s opioid epidemicA family in Tulsa offers a glimpse into the fallout of the latest drug crisis, as a generation of children are left to live in poverty, with addict parents in and out of prisonNigerian women face their fears and start using contraceptionAs the country’s population soars, healthcare workers are fighting resistance from religious groupsKimia Alizadeh, the Iranian Olympic medallist fighting inequalityWomen and competitive sport have been an uneasy mix in this society but the teenage martial artist who fought her way to glory has become a role model