Ukraine and Russia are two separate countries. The people who come from Russia area called Russians and the people who come from Ukraine are called Ukrainians. Ukrainians who live in Ukraine live in two continents, Asia and Europe; Russians live just in Asia. Ukrainians live just a little bit longer than the Russians. There is no migrant population compared to 1.7 migrants per 1000 of the population in Russia.
The official languages of both countries are different because most Ukrainians speak Ukranian whereas most Russians speak Russian. However, about one-third of the people in Ukraine speak Russian also. The capital of Ukraine is Kyiv, and the capital of Russia is Moscow. Russian has a federation, and Ukraine has a republican government.