The U.S. Department of Health and Human Services (HHS) submits this report to the House of Representatives Committee on Education and Labor and the Senate Committee on Health, Education, Labor, and Pensions pursuant to section 649(l)(3) of the Head Start Act (the Act). This report contains findings based on data collected on the U.S. Department of Labor's (DOL's) National Agricultural Workers Survey (NAWS) from 2014 through 2016 and data collected on the Program Information Report (PIR) from 2014 through 2019. Using these findings, it presents estimates of the national and regional numbers of Migrant and Seasonal Head Start (MSHS)-eligible children. The NAWS is an annual employment-based, random-sample survey that collects demographic, employment, and health data in face-to-face interviews of U.S. farmworkers. It is the only national information source that provides demographic characteristics, employment, health, and living conditions of hired crop workers. The data presented in this report indicate that the number of eligible MSHS children being served is a small proportion of the eligible children. HHS is exploring ways to more effectively maximize enrollment for the growing number of eligible migrant and seasonal farmworker families.