The stacked bar charts offer a comparison of the household composition in the UK in two separate years, namely 1981 and 2001.
Overall, there was a downward trend in 3-person to 6-person households, while 1-person to 2-person households witnessed an upward tendency, especially 2-person households over the period of time.
According to the provided chart, the proportion of 2-member households was consistently the highest, standing at 31% in 1981 and 34% in 2001. This was followed by the percentage of households with 1 member, which was at 17% in 1981 and significantly rose to 26% at the end of the period.
Moreover, the proportion of 3-person to 4-person households experienced the same level of decrease; both dropped by 3%, to 17% and 15% in 2001, respectively. Contrary to 2-member households, the percentage of households with 5 to 6 members was the lowest, standing at 8% and 6%, respectively, at the beginning of the period and continuing to decline to 6% and 2%, respectively, by 2001.