PurposeProviding equal opportunities in class as well as at home does not ensure equal promotion of leisure reading among girls and boys. Gender differences have wider impacts on their reading development. The purpose of this paper is to find out gender differences in leisure reading habits among children.Design/methodology/approachThe search process was conducted during Aug.–Sept. 2019 using Scopus database. A total of 41 studies were selected for the review. The systematic review used Cochrane Methodologies reported as per preferred reporting items for systematic reviews and meta-analysis (PRISMA) guidelines for identification, evaluation and selection of studies. The studies that dealt with leisure reading, reported gender difference of reading, had age group of 4–18-year children, were in English language and were accessible to the researchers were selected for review.FindingsThe results were presented in terms of identified reading factors including reading frequency, reading choice, reading time, reading media, reading influence, reading value and library use. The girls were more frequent readers than boys. The girls were in favor of fiction, while boys were interested in reading nonfiction. Girls preferred online materials but boys were in favor of printed materials. The boys were influenced by their fathers and peer groups’ reading, while girls were influenced by their mothers’ reading habits.Research limitations/implicationsThe study provided better understanding of boys’ and girls’ reading differences and required the librarians, teachers and academic policymakers to deal with them accordingly.Originality/valueTo the best of the authors’ knowledge, this is the first kind of systematic review reporting difference of reading on the basis of gender and inferred reading factors. It will be helpful for librarians, teachers and academic policymakers to consider these differences while dealing with boys’ and girls’ reading choices and interests.