The given bar chart compares every household members numbers by percentage in the UK in 1981 and after 20 years, in 2001.
Initially, the one person families was more widespread in 2001, reaching 26 percent with 9 percent difference, than in 1981. The amount of two-member-families nearly the same, each reaching one-third with three percent differences (31 and 34 percent in 1981 and 2001, respectively). Popularity of the households with three people was more visible in 1981 with one-fifth percent than in 2001, which was less by three percent.
The data about four-member-families was approximately the same in the both years, together accounted for 35 percent with difference of one percent. The five people households was eight percent and six percent in 1981 and 2001, respectively. The least data of six-member-families accounted for less than one-fifth together, each reaching only 6 percent in 1981 and merely 2 percent in 2001.
