Even this estimate is too high because the populations of almost all the Soviet non-Moslem nationalities continue to grow.
At this stage, none of the major Soviet nationalities, in particular the Ukrainians, are demanding secession.
Soviet nationalities, and workers too, are alarmingly restless about the still-unrealized promise of perestroika.
New manpower was recruited from all Soviet nationalities on a voluntary basis, to make up for the sudden lack of political prisoners.
The same holds true for other Soviet nationalities, as well as all of Eastern Europe.
We hadn't considered the Soviet 'nationalities' question as thoroughly as you have.
Many of these refugees were inspired to join the Prometheus movement in Europe which aimed for the independence of Soviet nationalities.
This would establish a single Ukrainian citizenship in place of the system of dual republican and Soviet nationality.
For the Soviet nationalities, independence will not be the attainment of Heaven, but it is the first step out of hell.
The initial enlightened Soviet nationalities' policy turned to repression, which helped bring about the collapse of the Soviet Union.