Evolution and Trends in the Circular Economy: A Meta-Analysis from 2018 to 2024

The purpose of this work was to carry out a meta-analysis of research focused on the circular economy, to identify its evolution and trends in the period between 2018 and 2024. The systematic review method was used for the analysis, and in the coding, data extraction and results were using the Dimensions.ai platforms. (Digital Science) and Lens.org., each investigation was evaluated according to the quality standards of the PRISMA declaration; relevant studies were included in the review for discussion, provided they met the inclusion and exclusion criteria. More than eight hundred seventy-four thousand seven hundred studies were identified, between grey literature and scientific articles, of which only 27 publications were included, representing the most essential of the systematic review. Between 2018 and 2024 there was a significant exponential growth of research in the circular economy, concentrated in a few countries, institutions, and disciplines; Spain, Italy, and the United Kingdom lead in research. Areas where the circular economy is addressed: materials sciences, environmental sciences, and food sciences, among others. Finally, based on the meta-analysis of the last seven years, the circular economy presents an evolution and trends in the following topics: urban development, climate change, resource management, environmental processes, sustainability, corporate social responsibility, social entrepreneurship, green infrastructure, smart cities, and resilience.