The Party's 21st-century base consists of groups such as older white men; white, married Protestants; rural residents; and non-union workers without college degrees, with urban residents, ethnic minorities, the unmarried and union workers having shifted to the Democratic Party. The suburbs have become a major battleground. According to a 2015 Gallup poll, 25% of Americans identify as Republican and 16% identify as leaning Republican. In comparison, 30% identify as Democratic and 16% identify as leaning Democratic. The Democratic Party has typically held an overall edge in party identification since Gallup began polling on the issue in 1991. In 2016, "The New York Times" noted that the Republican Party was strong in the South, the Great Plains, and the Mountain States. The 21st century Republican Party also draws strength from rural areas of the United States.