This dataset contains tax revenue collected by countries in Asia. It provides detailed tax revenues by sector (Federal or Central Government, State or Regional Government, Local Government, and Social Security Funds) and by specific tax category, such as profits and income, property, social...

The Programme for International Student Assessment (PISA) is an internationally standardised assessment that was jointly developed by participating countries and administered to 15-year-olds in schools.The survey was implemented in 43 countries in the 1st assessment in 2000, in 41 countries in...

The Republic of Türkiye’s trajectory of improvement over the past two decades stands out internationally. Few other countries have been able to bring previously out-of-school children into the education system and improve performance at the same time. This report provides a picture on how...

This dataset contains tax revenue collected by countries in Africa. It provides detailed tax revenues by sector (Supranational, Federal or Central Government, State or Lander Government, Local Government, and Social Security Funds) and by specific tax, such as capital gains, profits and income,...

The Programme for International Student Assessment (PISA) is an internationally standardised assessment that was jointly developed by participating countries and administered to 15-year-olds in schools. Tests are typically administered to between 4 500 and 10 000 students in each country. PISA...

Teaching and learning international survey (TALIS) asks a representative sample of teachers and schools in each country about their working conditions and the learning environments. TALIS aims to provide valid, timely and comparable information on education resources to help countries review and...

Scientific performance, for PISA, measures the scientific literacy of a 15 year-old in the use of scientific knowledge to identify questions, acquire new knowledge, explain scientific phenomena, and draw evidence-based conclusions about science-related issues. The mean score is the measure.