Sogn og Fjordane had the fewest persons living alone. Two-person households are the most common.
Large households are relatively rare in Norway today.
In 1998 only four per cent of the population lived in a household consisting of six or more members. Oslo has highest percentage of people who live alone Of all the counties Oslo has the highest percentage of one-person households, with 55 per cent of all households consisting of just one person. This is considerably higher than the national average of 40 per cent. Finnmark and Hedmark were also above the national average, with 48 and 44 per cent respectively of all households consisting of one person in these counties. With respect to households with children, the percentage is highest in Akershus and Rogaland and lowest in Oslo.