This is a list of values of total fertility rates by federal subjects of Russia.
Source: Суммарный коэффициент рождаемости Out of the dozens of groups listed here, only some have an above replacement fertility (2.06), namely Roma (2.620), Tabasarans (2.327), Turks (2.236), Avars (2.166), Dargins (2.158), Altaians (2.154), Tajiks (2.141) and Kumyks (2.066).
The lowest TFR were registered among Jews (1.282), Russians (1.442), Georgians (1.446) and Ossetians (1.510).
Comparison with the 1989 census shows huge drop in fertility in the Western Caucasus (esp.
Karachay-Cherkessia, Adygea and North Ossetia) and some parts of Arctic Russia (Murmansk, Komi, etc.).