In February 2014, there were 1.6 million Ukrainian citizens in the territory of Russia, two-thirds of the labour migrants; however, after Russia annexed Crimea and the start of the War in Donbas, the number was estimated to have risen to 2.5 million as of December 2014[update].[5] Over 420,000 asylum-seekers from Ukraine had registered in Russia as of November 2017[update].[2] An estimated 2.8 million Ukrainians had arrived in Russia as of September 2022 since the start of the 2022 Russian invasion of Ukraine.[3]