summarize the infomation by desscribing the main features of the two pie charts between the year 1991 and 2007 , with 4 categories: Social housing , social renting , private renting , home owners .
The given pie charts represented the percentage of housing owned and rented in the UK between 1991 and 2007.
Overall , in 1991 , the type of homeowner was the dominant genre , accounting for 60% or nearly two-third, followed by social renting amounting to 23% or over a fifth . the rest of houses were typically privately rented (11%), the social housing , turned out to be the most narrow sector , with 6% .
In the contrary , the year 2007 , the number of homeowner had climbed to 70% or almost three-quarter of the total, still being the most popular housing type. The upward trend in homeownership can be explained by the decrease in social renting , which had declined to 17%.
The private renting houses stayed stable and unchanged. However, compared to 1991, in 2007 , the amount of social housing had made a drop three-fold from 6% to 2%, thereby being the least common housing type.