The OECD and United Cities and Local Government (UCLG) have joined forces to prepare this statistical study launched in October 2016 at the UCLG Summit in Bogota. It is a first attempt to build a systematic data compilation on local finances across in the world, based on quantitative and qualitative data. This study presents the main organisational and financial indicators related to subnational governments in 101 federal and unitary countries worldwide.
http://www.oecd.org/cfe/regional-policy/sngs-around-the-world.htm