From trust in government to views of climate change, here are some of Pew Research Center's most memorable findings of the year.
America is turning gray, with the share of people ages 65 and older expected to rise more than 50% by 2050 – a trend that may burden more families. But Germany and Italy are already there, with a fifth of their population in that age range.
Their population dropped devastatingly fast after their first contact with Western foreigners in 1778, but their numbers are returning to "pre-contact" levels.
Meanwhile, foreign-born shares among whites and blacks are expected to rise, according to new Census Bureau projections.