% of Total Income

$10,000

$12,000

$16,000

$18,000

$24,000

$24,000

$36,000

$50,000

$80,000

$100,000

Total first quintile income: $22,000

6.0%

Total second quintile income: $34,000 9.2%

Total third quintile income: $48,000

13.0%

Total fourth quintile income: $86,000

23.2%

Total top quintile income: $180,000

48.6%

$370,000 Total Income

7. Just from glancing at the quintile information, it is fairly obvious that income inequality increased in the

United Kingdom over this time: The top quintile is getting a lot more, and the lowest quintile is getting a bit

less. Converting this information into a Lorenz curve, however, is a little trickier, because the Lorenz curve

graphs the cumulative distribution, not the amount received by individual quintiles. Thus, as explained in

the text, you have to add up the individual quintile data to convert the data to this form. The following table
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