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Modern views

Several historians, including Russian historian Pavel Polian and Lithuanian Associate Research Scholar at Yale University Violeta Davoliūtė consider these mass deportations of civilians a crime against humanity. They are also often described as Soviet ethnic cleansing. Terry Martin of Harvard University observes:

... the same principles that informed Soviet nation building could and did lead to ethnic cleansing and ethnic terror against a limited set of stigmatized nationalities, while leaving nation-building policies in place for the majority of nonstigmatized nationalities.

Other academics and countries go further to call the deportations of the Crimean Tatars, Chechens and Ingushs genocide. Raphael Lemkin, a lawyer of Polish - Jewish descent who initiated the Genocide Convention and coined the term genocide himself, assumed that genocide was perpetrated in the context of the mass deportation of the Chechens, Ingush, Volga Germans, Crimean Tatars, Kalmyks and Karachay. Professor Lyman H. Legters argued that the Soviet penal system, combined with its resettlement policies, should count as genocidal since the sentences were borne most heavily specifically on certain ethnic groups, and that a relocation of these ethnic groups, whose survival depended on ties to their particular homeland, "had a genocidal effect remediable only by restoration of the group to its homeland". Soviet dissidents Ilya Gabay and Pyotr Grigorenko both classified the population transfers of the Crimean Tatars as genocide. Historian Timothy Snyder included it in a list of Soviet policies that "meet the standard of genocide". French historian and expert on communist studies Nicolas Werth, German historian Philipp Ther, Professor Anthony James Joes, American journalist Eric Margolis, Canadian political scientist Adam Jones, professor of Islamic History at the University of Massachusetts Dartmouth Brian Glyn Williams, scholars Michael Fredholm and Fanny E. Bryan also considered the population transfers of the Chechens and Ingush as the crime of genocide. German investigative journalist Lutz Kleveman compared the deportations of Chechens and Ingush to a "slow genocide".

On 12 December 2015, the Ukrainian Parliament issued a resolution recognizing the deportation of Crimean Tatars as genocide and established 18 May as the "Day of Remembrance for the victims of the Crimean Tatar genocide." The parliament of Latvia recognized the event as an act of genocide on 9 May 2019. The Parliament of Lithuania did the same on 6 June 2019. Canadian Parliament passed a motion on 10 June 2019, recognizing the Crimean Tatar deportation of 1944 (Sürgünlik) as a genocide perpetrated by Soviet dictator Stalin, designating 18 May to be a day of remembrance. The deportation of Chechens and Ingush was acknowledged by the European Parliament as an act of genocide in 2004:

...Believes that the deportation of the entire Chechen people to Central Asia on 23 February 1944 on the orders of Stalin constitutes an act of genocide within the meaning of the Fourth Hague Convention of 1907 and the Convention for the Prevention and Repression of the Crime of Genocide adopted by the UN General Assembly on 9 December 1948.

Experts of the United States Holocaust Memorial Museum cited the events of 1944 for a reason of placing Chechnya on their genocide watch list for its potential for genocide. The separatist government of Chechnya also recognized it as genocide. Some academics disagree with the classification of deportation as genocide. Professor Alexander Statiev argues that Stalin's administration did not have a conscious genocidal intent to exterminate the various deported peoples, but that Soviet "political culture, poor planning, haste, and wartime shortages were responsible for the genocidal death rate among them." He rather considers these deportations an example of Soviet assimilation of "unwanted nations." According to Professor Amir Weiner, "...It was their territorial identity and not their physical existence or even their distinct ethnic identity that the regime sought to eradicate." According to Professor Francine Hirsch, "although the Soviet regime practiced politics of discrimination and exclusion, it did not practice what contemporaries thought of as racial politics." To her, these mass deportations were based on the concept that nationalities were "sociohistorical groups with a shared consciousness and not racial-biological groups". In contrast to this view, Jon K. Chang contends that the deportations had been in fact based on ethnicity and that "social historians" in the West have failed to champion the rights of marginalized ethnicities in the Soviet Union.