Latvian language
Upper Latvian dialect is spoken in Eastern Latvia. It is set apart from rest of the Latvian by number of phonetic differences. The dialect has two main varieties – Selonian and Non-Selonian. There is a standard language, the Latgalian language, which is based on deep Non-Selonian varieties spoken in south of Latgale. The term "Latgalian" is sometimes also applied to all Non-Selonian varieties or even the whole dialect. However, it is unclear if it is accurate to use the term for any varieties besides the standard language. While the term may refer to varieties spoken in Latgale or by Latgalians, not all speakers identify as speaking Latgalian, for example, speakers of deep Non-Selonian varieties in Vidzeme explicitly deny speaking Latgalian.
Latvia
As of March 2011, Latvians form about 62.1% of the population, while 26.9% are Russians, Belarusians 3.3%, Ukrainians 2.2%, Poles 2.2%, Lithuanians 1.2%, Jews 0.3%, Romani people 0.3%, Germans 0.1%, Estonians 0.1% and others 1.3%. 250 people identify as Livonians (Baltic Finnic people native to Latvia). There were 290,660 non-citizens living in Latvia or 14.1% of Latvian residents, mainly ethnic Russians who arrived after the occupation of 1940 and their descendants.