No credibility whatsoever.
Ukraine: population who has Russian as mother tongue:
Percentage of Russian and Ukrainian spoken:
Ethnic groups:
Ukrainian 77.8%, Russian 17.3%, Belarusian 0.6%, Moldovan 0.5%, Crimean Tatar 0.5%, Bulgarian 0.4%, Hungarian 0.3%, Romanian 0.3%, Polish 0.3%, Jewish 0.2%, other 1.8% (2001 census)
This works to about 90,000 Jews in the country.
No credibility whatsoever.
Ukraine: population who has Russian as mother tongue:
Percentage of Russian and Ukrainian spoken: