US Population versus Labor Participation Rate

The chart below is a graph of the US Population (blue line) from the 1950's overlaid with the Civilian Labor Participation Rate (red line).  Notice there has been a huge divergence since the late 1990's as the population has continued to grow while the Civilian Participation Rate has dropped by 4%.   Thus the US hasn't been creating enough new jobs to keep up with the pace of population growth.  If this trend continues that is going to lead to major problems in the future.