The paper presents a critical review of the international literature on sustainable development indicators. The first section analyses a representative collection of indicators which have been grouped into environmental, economic, social and integrated and have been classified according to spatial scale, environmental medium and theoretical basis of their development. The second section presents the main points of a general evaluation of the indicators presented before. In conclusion, the characteristics of the indicators are reviewed, the recent trends in indicator development are indicated and proposals are made for future research with the purpose to find more complete expressions of the concept of sustainable development.
