Grand Duchy of Lithuania - Demographics

Demographics

In 1260 the Grand Duchy of Lithuania was the land of Lithuania, and ethnic Lithuanians formed majority (67.5%) of its 0.4 million population. With the acquisition of new Ruthenian territories, in 1340 this portion decreased to 30% By the time of the largest expansion towards Rus' lands, which came at the end of the 13th and during the 14th century, the territory of the Grand Duchy of Lithuania was 800 to 930 thousand km2, just 10% to 14% of which was ethnically Lithuanian.

An estimate of the population in the territory of Poland and Grand Duchy of Lithuania together gives a population at 7.5 million for 1493, breaking them down by ethnicity at 3.75 million Ruthenians (ethnic Ukrainians, Belarusians), 3.25 million Poles and 0.5 million Lithuanians. With the Union of Lublin, 1569, Lithuanian Grand Duchy lost large part of lands to the Polish Crown.

See also: Demographics of the Polish-Lithuanian Commonwealth.

In the mid and late 17th century, due to Russian and Swedish invasions, there was much devastation and population loss on throughout the Grand Duchy of Lithuania, including ethnic Lithuanian population in Vilnius surroundings. Besides devastation, Ruthenian population declined proportionally after the territorial losses to Russian Empire. By 1770 there were about 4.84 million inhabitants in the territory of 320 thousand km2, the biggest part of whom were inhabitants of Ruthenia and about 1.39 million or 29% – of ethnic Lithuania. During the following decades, the population decreased in a result of partitions.

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