The greater Dublin area which takes in Wicklow and Kildare, along with the southeast, has the lowest levels of community healthcare in Ireland.
A new ESRI report also finds there's an unequal supply of community health and social care in Ireland.
The evidence could inform policies, such as Sláintecare, which aim to move patients away from acute hospitals.
The ESRI says the west and south of the country has a better supply of community care.
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