Today 38,038,000 people live in Poland (2011). In 2002 96.74% of the population call themselves Polish, while 471,500 people (1.23%) claimed another nationality. 774,900 people (2.03%) did not declare any nationality. Nationalities, or ethnic groups in Poland are Silesians, Germans (most in the former Opole Voivodeship), Ukrainians, Lithuanians, Russians, Jews and Belarusians. The Polish language is part of the West Slavic section of the Slavic languages. It is also the official language of Poland. English and German are the most common second languages studied and spoken.