Interdasting anon.
Quick look for "Russa" finds this place with a steady population decrease.
'Staraya Russa (Russian: Старая Русса, IPA: [ˈstarəjə ˈrusə]) is a town in Novgorod Oblast, Russia, located on the Polist River, 99 kilometers (62 mi) south of Veliky Novgorod, the administrative center of the oblast. Its population has steadily decreased over the past years, going from 41,538 recorded in the 1989 Census[11] to 35,511 in the 2002 Census[12] to 31,809 in the 2010 Census.[4]'
https://en.m.wikipedia.org/wiki/Staraya_Russa