Farmworkers are those persons employed for the growing and harvesting process on farm and forestry land, or fishing or food processing jobs. Seasonal farmworkers are people employed in agricultural employment of a seasonal or temporary nature. Migrant farmworkers are those who work in any given local areas on a seasonal basis and relocates his or her place of residence as farm work is obtained in other areas during the year, usually without a constant year round salary. In Oregon, a large portion of this population is Hispanic. Persons over eighteen years of age who have earned at least 50% of their income or worked 50% of the time in agricultural work, 12 consecutive months in the last 24 months. Hypothetical work includes agricultural production (crops or livestock) and agricultural services; such as, forestry, fishing, hunting, and trapping.