This data visualization shows the participating populations in Pension Plans, Defined Contribution Plans, and the total participating workforce in the United States from 1979 through 2019. Use it to answer the following questions. Population in Retirement Pla Defined Contribution Plan, Pension Plan, and Total Workforce Participating Population 130 100 Popis Pension Pla SOM SOM 70M SOM AM 100 ave SUM 200M HOM 170M M 1. Which type of retirement plan is currently the most popular in the United States? (5 pts) 2. Explain the trend seen in the participation of the different retirement plans. What might explain the differences? (5 points) Participating Population