Although the October Household Survey provides employment data for 1994-1997, including the informal sector, the sectoral disaggregation is far from satisfactory. Indeed the employment is disaggregated at 1-digit ISIC level only, whereas more detailed statistics are often needed to carry out empirical research. For a definition and description of these manufacturing groups, see the explanation of the classifications. Export and import data are from DTI based on Stats South Africa. Monthly wages and salaries are from Stats SA statistical releases.
Local productivity is defined as the ratio of gross output to employment.
The World Trade Analyzer provides detailed information about imports and exports amongst all of the major trading countries in the world. The World Bank World Development Indicators provides a comprehensive statistical survey of world development. Each country is also profiled with tables and graphs on social indicators, economic time series, population projections, primary data documentation, and education. The United Nations' Statistical Yearbook provide hundreds of series on every aspect of economic and social life in over 200 countries and areas around the world. It provides data for a comprehensive, overall description of social and economic structures, conditions, changes and activities.