Valuatio of Inequality in the Russian Federation and its Decomposition Using the Theil Index

The high level of interregional socio-economic inequality is one the main problems spatial development Russian Federation, which enshrined in several state strategic planning documents. Such a situation requires constant monitoring this and search for solutions to problem. article analyzes current Federation according few key indicators assesses dynamics changes subjects period 2000–2019. In addition, decomposes using Theil index proves that differences between federal districts explain relatively small part differentiation, while regions within account more than 80% all regional variation.