The given bar chart illustrates the proportion of individuals in Britain residing in households of various size in 1981 and 2001.
From an overall perspective, a downward trend was the norm, albeit at varying degrees, with the exception of 1- and 2-person households. In addition, it is of note that 2-person household was consistently the most common living arrangement, while 6-person household was the least prefered one.
In terms of categories that recorded a fall trend, both 3-person and 4-person households reported a similar figure in 1981, ranging from 18% to 20%. Subsequently, there was a drop by 3 percentage points in both statistics, which hovered around 16%. Meanwhile, in 1981, 5-person and 6-person households ranged in the vacinity of 7%, then the former figure (6%) surpassed the latter by 4 percentage points in 2001.
By contrast, the 2-person households consitently grew in popularity, representing 34% in 2001, double the percentage of 3-person households. Meanwhile, there was a dramatic rise in the figure for single-person households that constitued 26%, 9 percentage points higher than its initial data.