4 Health Disparities and Health Equity
Understand how health disparities arise from social and structural conditions, and how equitable action can address barriers in care and daily life.
Disparities, inequities, and equity
A is a difference in health outcomes or access to health resources between population groups. Differences may be observed by race and ethnicity, income, education, disability, gender, sexual orientation, age, or place of residence. They may appear in disease rates, injuries, life expectancy, maternal and infant health, mental health, exposure to environmental hazards, and access to timely, high-quality care.
A is a disparity that is systematic, avoidable or remediable, and unfair. means everyone has a fair opportunity to attain their full health potential; it does not mean everyone must have identical health outcomes.
Patterns can overlap: income, race, disability, and geography can combine to shape a person’s opportunities and risks. Group averages can conceal differences within a group, so population categories should not be treated as uniform. These patterns do not mean that social identity itself is a biological cause of poor health; they often reflect unequal exposure to risks and unequal access to resources shaped by social conditions, institutions, and policy.
Social determinants of health
The are the conditions in which people are born, grow, learn, work, live, and age, together with the wider forces that shape those conditions. They are grouped into five connected domains:
Economic stability: income, employment, food security, and housing stability.
Education access and quality: early learning, school quality, graduation, and literacy.
Health care access and quality: insurance, nearby services, language access, and quality of care.
Neighborhood and built environment: housing quality, transportation, safety, clean air and water, and access to food and recreation.
Social and community context: social support, civic participation, discrimination, and community connection.
These conditions are linked. Unreliable transportation, for example, can make it harder to reach work, school, grocery stores, and medical appointments. Financial strain may limit access to stable housing, nutritious food, or needed treatment. Health is therefore shaped not only by individual choices, but also by which choices are realistically available.
Structural causes of unequal conditions
include laws, policies, institutional practices, economic arrangements, and social norms that influence how power, opportunity, and resources are distributed. Racism and other forms of discrimination can operate through these systems, affecting daily living conditions and treatment within institutions. These root causes help explain why disadvantages can persist across generations and places.
Actions to advance
Reducing inequities requires action within health care and beyond it. Providing care is essential, but care alone cannot resolve disparities rooted in housing, education, employment, transportation, or environmental conditions.
Effective approaches include:
Improve equitable health services. Make preventive and primary care accessible, affordable, culturally and linguistically responsive, and high quality. Identify and reduce barriers such as cost, distance, inaccessible facilities, and discriminatory treatment.
Address conditions in daily life. Work across sectors to improve housing, education, employment, food access, transportation, neighborhood safety, and environmental quality.
Change unfair systems and practices. Review policies and institutional procedures for unequal effects; address discrimination and remove barriers that systematically limit access to resources and opportunities.
Partner with communities. Include residents—especially people most affected—in defining problems, choosing priorities, designing interventions, and evaluating results. Community knowledge can help ensure responses fit local needs and build on existing strengths.
Measure progress and adjust. Collect reliable data, disaggregate results by relevant population groups and place, and track both health outcomes and the conditions that influence them. Use findings to identify gaps, guide resources, and improve programs over time.
Applying an equity-focused approach
If a neighborhood has high rates of preventable illness and few nearby clinics, opening a clinic may improve access to care. An equity-focused response would also ask whether transportation, clinic hours, language access, housing conditions, food availability, or residents’ experiences of care create additional barriers. Community partnership and continued measurement can help shape a broader and more effective response.