This Webbook provides a set of cross-country comparable statistics on labour productivity levels, the contributions of labour, capital services and multifactor productivity (MFP) to GDP growth, industry contributions to labour productivity growth, labour productivity gaps between SMEs and large firms, the evolution and composition of investment, the decoupling between real wages and productivity, and labour income share developments. It also includes a special chapter on productivity measurement and analysis at the time of the COVID-19 pandemic.