Linda91 30 / 40 3 Feb 28, 2016 #1The bar chart gives information about the outcome of survey based on the rate of happiness of married and unmarried people in the united states, and the feeling of married couple in the effect of children. At first glance, it is evident that married couple in 18-to-29-yaer-olds with children who have aged under 18 is the happiest couple, and unmarried people in the age of 65 and over group is happier people than the other aged groups.With regard to people who have married, the young couple with child age under 18 is more charmed couple at 45%, and it was the significant proportion than the others. Next, 44% of married couple in the age of 30 to 49 groups and elderly groups feels happy. Subsequently, People in aged 50 to 64 at two fifth of the percentage.Turning to people who have not married yet, 34% of them feel happy, and it is the highest portion. Then, young people and people in aged 50 to 64 experience same percentage at 21%, and then at 22% is people in age of 30 to 49 groups.