national statistics.
Materials
World reserves of major metals are published on a regular basis by the US Bureau of Mines. The World Bureau of Metal Statistics publishes production and consumption data for aluminium, cadmium, copper, lead, nickel, tin and zinc. Consumption of iron ore and crude steel is published by the United Nations Commission on Trade and Development (UNCTAD). Iron and steel consumption data are also published by the International Iron and Steel Institute. In Europe, metal production and consumption data are published by UNECE and Eurostat.