The trend for growth of part-time work since 1968 has been much stronger than for full-time, saving business the cost of paying benefits such as paid holidays, sick time, retirement and health insurance

PART-TIME

FULL-TIME

Note the huge jumps in the percentage working part-time due to the Clinton tax increases after his election in 1992 and after the Great Recession in 2008.

Full-time has still not recovered to the two decade experience pre-Great Recession.