Purpose In this paper, the Libraries for Everyone Project and the studies carried out within the scope of the project are presented; the role of libraries as learning environments is discussed; and the data obtained from the library usage research/survey are shared. The paper aims to discuss these issues. Design/methodology/approach The research includes the findings of a questionnaire study that was applied in May, 2017 to 4,566 respondents from 147 libraries participating in the project. The population is represented with a 99% confidence level and a sampling error of 0.02. The sample size was decided based on the number of registered members in the libraries. Findings Municipal libraries have potential to be used as learning environments. Originality/value The usage survey reported in the study is the most comprehensive usage study on municipal libraries so far in terms of the number of participants. The Libraries for Everyone Project is the most extensive project implemented at municipal libraries in Turkey.