$3.$ Mixed systems $($e$.$g$.,$ United States$)$

Organization: A mix of public and private entities, including government agencies, private insurers, and healthcare providers.

Structure: Often decentralized with responsibilities distributed across different levels of government $($federal$,$ state, local$)$ and private organizations.

Function: Can provide a range of services but may face challenges in achieving universal coverage and equitable access due to reliance on a largely voluntary private insurance system.$$