The Ruthenian Stadistical Authority (Η Ρουθηνίας Στατιστική Αρχή; IRSTAT) is the Ruthene National Statistical Institute. Its activities include the census of population, economic censuses and a number of social, economic and environmental surveys and analyses along to carry out research and publish statistical data on all aspects of Ruthene life, including population, society, economy, industry, education, and physical infrastructure. Irstat is by far the largest producer of Statistical information in Ruthenia, and is an active member of the imperial Statistical System