This fourth edition of the Report, analyzing data from 2013, highlights the size and importance of the co-operative sector across the globe and includes a special section focusing on the size and relevance of the agriculture and food industries sector. The data shows the co-operative sector continued to grow in 2013, with the turnover of the Top 300 increasing yet again. The Report studies co-operatives worldwide from 76 countries, including a wider database of organizations than ever. The top 300 of these co-operatives are ranked based on turnover as well as the ratio of turnover to gross domestic product (GDP) per capita, relating the turnover of the co-operative to the purchasing power of the country in which it operates in a comparable way. Additional analysis in the report includes an overall description of the 2015 database and sectorial rankings based on turnover as well as the ratio of turnover to GDP per capita.