According to a recent Gallup poll, 41% of American adults say that having three or more children is ideal, which is up from 34% in 2011. Broken down by party, 45% of Republicans believe that a family of three or more children is ideal, compared to 37% of Democrats and 42% of Independents. In the survey, Gallup asked, “What do you think is the ideal number of children for a family to have…