Objective: Analyze the scientific production that describes the type of access to primary healthcare services and identify specific populations that have differentiated access to health services.
Method: An integrative review. For study selection, the following databases were used: PubMed, Scopus, Bireme, and Cinahl. The sample included 22 national and international articles.
Results: The results describe the access of specific populations to health services, the access to primary care through health plans and proposed improvements to the access to primary care.
Conclusion: The access to services is a challenge in many countries and some strategies and policies are implemented to solve and improve primary health care.