Top Programming Languages Methodology 2025

Our Top Programming Languages interactive tries to tackle the problem of estimating a language’s popularity by looking for proxy signals. We do this by constructing measures of popularity from a variety of data sources that we believe are good proxies for active interest for each programming language. In total, we identify 64 programming languages. We then weight each data source to create an overall index of popularity, excluding some of the lowest scorers. Below, we describe the sources of data we…