Trading Economics members can view, download and compare data from nearly 200 countries, including more than 20 million economic indicators, exchange rates, government bond yields, stock indexes and commodity prices.
The Trading Economics Application Programming Interface (API) provides direct access to our data. It allows API clients to download millions of rows of historical data, to query our real-time economic calendar, subscribe to updates and receive quotes for currencies, commodities, stocks and bonds.
Mean score calculated for the results of the Programme for International Student Assessment (PISA) in the specific subject and grade, as reported by the Local Education Group (LEG) of the evaluated country. PISA is an international study that was launched by the OECD in 1997. It aims to evaluate education systems worldwide every three years by assessing 15-year-olds' competencies in the key subjects: reading, mathematics and science. For further details please refer to this web site: http://www.oecd.org/pisa/