Barometer: Who snorts more cocaine — the rich or the poor?

The darkest day

Several people were injured on ‘Black Friday’, a day of retail discounting imported from the US, where the fourth Thursday of November is the Thanksgiving holiday and many shops hold one-day sales the following day. There are at least 23 historic events named ‘Black Friday’, from the imprisonment of seven bishops by James II on 8 June 1688 to the hanging of four anarchists in Chicago on 11 November 1887 and the seizure of online poker sites by US authorities on 15 April 2011. What is the blackest day of the week, according to entries on Wikipedia?

Black Monday	15
Black Tuesday	5
Black Wednesday	3
Black Thursday	16
Black Friday	23
Black Saturday	15*
Black Sunday	10

*17 if you include Jewish Black Sabbaths

High life, low life

Nigella Lawson was alleged to have a cocaine habit. How does admitted drug use vary by income?

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Admitted use in past year

Household income	% used any cocaine
Less than £10,000	2.1%
£10,000–£20,000	1.5%
£20,000–£30,000	1.7%
£30,000–£40,000	1.5%
£40,000–£50,000	1.9%
Over £50,000	2.3%

Household income	% used Class A drug
Less than £10,000	3.6%
£10,000–£20,000	2.1%
£20,000–£30,000	2.1%
£30,000–£40,000	1.8%
£40,000–£50,000	2.8%
Over £50,000	2.8%

Source: Home Office

Why here?

Net migration to the UK in the year to June was 182,000. Of the 503,000 immigrants, why did they come?

Formal study	176,000
Definite job	125,000
Looking for work	77,000
To be with family	60,000
Other/no reason given	64,000

Source: ONS

Class barriers

The Mayor of London asserted that we will always have economic inequality because some people are more able than others. According to research on average IQ by Bruce Charlton of the University of Newcastle, what percentage of people from the highest and lowest social classes are capable of getting into university?