Download - Wilkinson372010
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Richard WilkinsonEmeritus Professor of
Social Epidemiology
University of Nottingham
&
Kate PickettProfessor of Epidemiology
University of York
http://www.equalitytrust.org.uk
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Among the rich countries life expectancy is not related to
national differences in average income
Source: Wilkinson & Pickett, The Spirit Level (2009)www.equalitytrust.org.uk
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…but life expectancy is related to income differences
within rich societies
Source: Wilkinson & Pickett, The Spirit Level (2009)
70
71
72
73
74
75
76
77
78
79
80
Lea
st dep
rived
Most deprived
Electoral wards in England & Wales by deprivation score
Lif
e e
xp
ec
ta
nc
y (
ye
ars
)
www.equalitytrust.org.uk
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Income per head and life-expectancy: rich & poor countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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How much richer are the richest
20% than the poorest 20%?
www.equalitytrust.org.ukSource: Wilkinson & Pickett, The Spirit Level (2009)
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Index of:
• Life expectancy
• Math & Literacy
• Infant mortality
• Homicides
• Imprisonment
• Teenage births
• Trust
• Obesity
• Mental illness – incl.
drug & alcohol
addiction
• Social mobility
Health and Social Problems are Worse in More Unequal Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Health and Social Problems are not Related to Average
Income in Rich Countries
Index of:
• Life expectancy
• Math & Literacy
• Infant mortality
• Homicides
• Imprisonment
• Teenage births
• Trust
• Obesity
• Mental illness – incl.
drug & alcohol
addiction
• Social mobility
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Child Well-being is Better in More Equal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Child-Wellbeing is Unrelated to Average Incomes in Rich
Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Levels of Trust are Higher in More Equal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009)
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Levels of Trust are Higher in More Equal US States
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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The Prevalence of Mental Illness is Higher in More
Unequal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Drug Use is More Common in More Unequal Countries
Source: Wilkinson & Pickett, The Spirit Level (2009)
Index of use of: opiates, cocaine, cannabis, ecstasy, amphetamines
www.equalitytrust.org.uk
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Infant Mortality Rates are Higher in More Unequal Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Male mortality (25-64 yrs) and income inequality in US
states and Canadian provinces.
Source: Ross NA, Wolfson MC, Dunn JR, Berthelot JM, Kaplan GA,
Lynch JW. British Medical Journal 2000;320:898-902
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More Adults are Obese in More Unequal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Teenage Birth Rates are Higher in More Unequal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Homicide and income inequality:
US States and Canadian Provinces
0
30
60
90
120
150
180
0.35 0.38 0.41 0.44 0.47
Income Inequality (Gini)
Ho
mic
ide
s p
er
millio
n p
eo
ple
More equal More unequal
Source: Daly M, Wilson M, Vasdev S. Income inequality and homicide rates in
Canada and the United States. Canadian Journal of Criminology 2001; 43: 219-36.
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Rates of Imprisonment are Higher in More Unequal Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Social Mobility is Higher in More Equal Rich Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Almost everyone benefits from
greater equality.
Usually the benefits are greatest
among the poor but extend to the
majority of the population
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Infant Mortality by Social Class:
Sweden and England & Wales
0
2
4
6
8
10
12
14
16
18
I II IIIN IIIM IV V Single
Prnt
Unclass.
E & W
Sweden
Source: Leon DA, Vagero D, Olausson PO. BMJ 1992; 305; 687-91
Infa
nt
Mo
rta
lity
ra
te
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Literacy Scores of 16-25 year olds by
Parents' Education
-1.5
-1
-0.5
0
0.5
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Parents' Education (years)
Lit
era
cy s
co
re
Sweden
Canada
United States
Source: Willms JD. 1997. Data from OECD Programme for International Student Assessment.
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Index of:
• Life expectancy
• Math & Literacy
• Infant mortality
• Homicides
• Imprisonment
• Teenage births
• Trust
• Obesity
• Mental illness – incl.
drug & alcohol
addiction
• Social mobility
Health and Social Problems are Worse in More Unequal Countries
Source: Wilkinson & Pickett, The Spirit Level (2009) www.equalitytrust.org.uk
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Australia
Austria
Belgium Canada
Denmark
Finland
France
Germany
Greece
Ireland
Israel
Italy
Japan
Netherlands
New Zealand
Norway
Portugal
Spain
Sweden
UK
USA
Worse
Better
UN
ICE
F in
de
x o
f child
well-
bein
g
0 10 20 30Lone parents as % of all households with dependent children
Single parents and child wellbeing
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Why are we so sensitive to inequality?
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Psychosocial risk factors for ill health
Low social status
Weak social affiliations
Stress in early life (pre- and postnatally)
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ACTH
Cortisol
Tasks with both
social-evaluative
threat and
uncontrollability
Other tasks
Effe
ct siz
e
Source: Dickerson SS & Kemeny ME. Psychological Bulletin 2004; 130(3): 355-91
What kind of stress most reliably raises cortisol levels?
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Stereotype Threat
The effect of caste identity on children's performance
Caste
Unannounced
Caste
Announced
0
1
2
3
4
5
6
High Caste
Low Caste
Num
ber
of
mazes s
olv
ed
Source: Hoff K, Pandey P, World Bank Policy Research Working Paper 3351, June 2004
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Gilligan J. Violence: Our Deadly Epidemic and its Causes.(G .P. Putnam 1996)
" ...the prison inmates I work with have told me repeatedly,
when I asked them why they had assaulted someone, that it
was because 'he disrespected me', or 'he disrespected my
visit' (meaning 'visitor'). The word 'disrespect' is central in the
vocabulary, moral value system, and psychodynamics of
these chronically violent men that they have abbreviated it
into the slang term, 'he dis'ed me." p.106
A few pages further on Gilligan continues:-
"I have yet to see a serious act of violence that was not
provoked by the experience of feeling shamed and humiliated,
disrespected and ridiculed, and that did not represent the
attempt to prevent or undo this "loss of face " - no matter how
severe the punishment, even if it includes death." p.110
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The effects of inequality - a two stage process
1. adult experience of inequality
2. passed on to children – epigenetics?
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Inequality and Sustainability
Consumerism is one of the greatest threats to sustainability
Because inequality increases status competition, it also increases
consumerism. People in more unequal societies work longer hours
because money seems even more important.
Concern for the common good is a crucial resource if we are to
reduce carbon emissions
Because inequality harms the quality of social relations (increasing
violence, reducing trust, cohesion and involvement in community
life), people become more self-interested, less public spirited, less
concerned with the common good. This is shown in the amount of
overseas aid countries give, in the proportion of waste recycled, in
how countries score on the global peace index, and in how
important business leaders think it is that their governments abide
by international environmental agreements.
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Source: Bowles S, Park Y. Economic Journal 2005; 115 (507): F397–F412. 2005.
Working hours are longer in more unequal countries
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Trends in income inequality 1979-2005/6
(Gini coefficient, Great Britain.)
Brewer M, Goodman A, Muriel A, Sibieta L. Poverty and
Inequality in the UK: 2007. Institute of Fiscal Studies, London.
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http://www.equalitytrust.org.uk
For more information:
… a book
and a website…