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The health of older Black and Hispanic populations are disproportionately impacted by cognitive decline later in life. Although cognitive stimulation through work protects against cognitive decline and dementia in later life, Black and Hispanic individuals have less access to cognitively stimulating employment opportunities compared with their white counterparts. This study aims to disentangle the relationship between work complexity and cognitive function later in life across racial/ethnic groups. Using nationally representative data from the Occupation Information Network (O*NET) linked to the Health and Retirement Study’ Life History Mail Survey (n=1080), we examine how cumulative exposure to cognitively complex work between ages 25 to 55 is associated with cognitive function at age 70 in regressions controlling for cognitive function at age 55 and relevant socio-demographic measures. A composite …