Ukraine demographics if taken by CPs

Lets say AH does marginally better, Russia still collapses on time, the Communist are believed to be negotiating in bad faith and have Brest-Litovsk gets enforced on them, AH and Germany knock Italy out in 1917, and Germany and AH take Paris in 1918. The CPs settle the question on Ukraine and get it under their control post war.

Ukraine had 31 million people in 1913 and a TFR of 6.0. It has been discussed here before how the Russian Empire had demographics that resembled a Latin American country more than a European country.

IOTL, Ukraine suffered horrific deaths in the Russian Civil War, from famine and murder at the hands of the Soviet government, and from WWII. They somehow had a negative fertility rate by the 1960s, and a huge rise in mortality rates during the collapse of the USSR, high emigration, and further collapsed fertility.

If the CPs set up a satellite Ukraine, what could be expected to happen to them demographically? Ukraine looks like a place that could double their population naturally by 1950 and keep positive fertility into the 80s or beyond if they remain poor and rural.

Can Ukraine land somewhere between 100-200 million people by the present?
 
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