The 25 countries with the oldest populations in the world

Italy has the third-highest percentage of residents aged 65 and older in the world. Sean Pavone/Shutterstock The World Bank Group identified the countries with the highest shares of people aged 65 and over. The number of elderly residents varies across different regions. Japan was the only non-European country among the top 25. Global life expectancy is on the rise, meaning a greater percentage of the population than ever before is made up of the elderly. But not every country has experienc...