The pie chart and the figures illustrate the types of living accommodation occupied during the first 20 years in London between 1990 and 2010 and the availability of different types of accommodation there over periods of 20 years.
Overall
, the proportion of Linking Words
people
 living with parents and a house (shared) is the largest. And, the proportion of Use synonyms
people
 living in house (alone) and flat (alone) is the lowest. Use synonyms
Besides
 that, Linking Words
houses
 and Use synonyms
flats
 with 3-4 bedrooms still remain steady but 1-2 bedrooms Use synonyms
houses
 and Use synonyms
flats
 are significantly reduced.
It can be seen from the pie chart that the number of Use synonyms
people
 living in Use synonyms
flats
  doubled between 1990 and 2010 and Use synonyms
houses
 (shared) Use synonyms
also
 rose but not too much. Linking Words
Next, 
the number of Linking Words
people
 living with parents, in a house (alone) and flat (alone) fell by more than half.
From the statistics, it can be inferred that 1-2 bedroom Use synonyms
houses
  in 1990 decreased three times compared to 2010 from 34,000 to 12,000, Use synonyms
also
 for 1-2 bedroom Linking Words
flats
 decreased from 32,000 to 10,000. Use synonyms
In addition
, 3-4 4-bedroom Linking Words
houses
 remained stable from the 1990s to the 2010s without increasing from 47,000 to 48,500. Use synonyms
Finally
, 3-4 bedroom Linking Words
flats
 in 2010 onwards reduced rapidly compared to the 1990s, by 7.000.Use synonyms