Long-term care is an academic field and policy concept that investigates the systems, services, and policies designed to provide ongoing support for individuals requiring assistance with daily living over an extended period due to chronic illness, disability, or aging. This multidisciplinary area examines service delivery models, financing mechanisms, workforce issues, quality outcomes, and ethical dimensions across various settings, including home, community, and residential facilities. Its significance lies in addressing critical societal challenges such as demographic shifts, healthcare sustainability, and ensuring equitable access to necessary support for vulnerable populations.