According to the 2011 census, the most common languages are Oshiwambo (the most spoken language for 49% of households), Khoekhoegowab  (11.3%), Afrikaans (10.4%), RuKwangali (9%), and Otjiherero (9%). The most widely understood national language is Afrikaans, the country's lingua franca. Both Afrikaans and English are used primarily as a second language reserved for public communication. A complete list of languages according to the 2011 census is 48.9% Oshiwambo, 11.3% Khoekhoegowab, 10.4% Afrikaans, 8.6% Otjiherero, 8.5% RuKwangali, 4.8% siLozi, 3.4% English, 1.2% Other African Languages, 0.9% German, 0.8% San, 0.7% Other European Languages, 0.3% Setswana, and 0.1% Asian Languages.