population dynamics: socio-economic change and health impacts
TRANSCRIPT
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Population Dynamics:
Socio-Economic Change and
Health Impacts
Africa's Stalled Fertility Transition: Causes,
Cures, and Consequences?
POPULATION REFERENCE BUREAU | www.prb.org
Jeffrey Jordan
President and CEO, PRB
OCTOBER 15, 2014
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1. Global and Regional Population Change
2. Demographic Dividend (lost)
3. Disease Burden and Noncommunicable
diseases (NCDs)
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Source: Population Reference Bureau, 2005 World Population Data Sheet.
Projected Population Change, by Country
Percent Population Change, 2005-2050
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Decline in Average Number of Children
per Woman in Developing Regions
6.1
4.0
3.0
5.1
2.82.3
Sub-Saharan Africa South-Central Asia Latin
America/Caribbean
1990-95 2005-10
Source: United Nations Population Division. World Population Prospects: The 2008 Revision.
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The Demographic Divide- Niger
and the Netherlands
Source: Population Reference Bureau, 2013 World Population Data sheet.
http://www.prb.org/Publications/Datasheets/2013/2013-world-population-data-sheet/data-sheet.aspx
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Accelerated economic growth can happen
as the population age structure changes
Population Structure
Health
Education
Economics
Governance
Demographic Dividend
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Global Burden of Disease
1. Demographic transition/longer lifespan
2. Cause of death transition to NCDs
3. Global shift to disability (vs. mortality)
4. Changing risk factors; now behavioral
5. Health systems facing enormous
changes
However countries which have not achieved
transition still face higher infant, child, and
maternal mortality and lower life expectancy.
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Four Major NCDs
1. Cardiovascular Disease
2. Diabetes
3. Chronic Respiratory Diseases
4. Cancers (most)
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Four Behavioral Risk Factors
1. Tobacco
2. Harmful use of alcohol
3. Insufficient physical activity
4. Unhealthy diet (Overweight/Obesity)
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Why is it Important to Address NCD Risk
Factors?
Large young populations across
Africa today
By 2050, population age 45+ will grow three-fold
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Why is it Important to Address NCD Risk
Factors Among the Young Now in Africa?
Large young populations across
Africa today
By 2050, population age 45+ to grow three-fold
Rapidly growing NCD burden
Increasing prevalence due to urbanization,
aging populations, globalization
By 2030, NCDs will be the leading causes of
death even in sub-Saharan Africa
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Tobacco Use: Cigarettes VS.
Other Tobacco Products –– Boys
31
12
20
12 12
21 15
10 6
15
3
20
11
19 15
5
11
15 19
9
Other products only
Cigarettes
% OF BOYS 13-15 USING TOBACCO IN LAST 30 DAYS
SOURCE: Global Youth Tobacco Survey 2006/2011
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Tobacco Use: Cigarettes VS.
Other Tobacco Products — Girls
11
18
6 8 8
2
11
2 3 3
19
11
20 14 14
18
8
16 14 14
Other products only
Cigarettes
% OF GIRLS 13-15 USING TOBACCO IN LAST 30 DAYS
SOURCE: Global Youth Tobacco Survey 2005/2011
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Overweight Status:
Dual Burden with Undernutrition
36
24 22
20
16 16
13 12 12 11
4 7
16
12 10
17
14 13 14 13
Overweight/obese
Underweight
SOURCE: Demographic and Health Survey 2007/2012
% OF GIRLS 15-19 WHO ARE OVERWEIGHT/OBESE
OR UNDERWEIGHT
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Alcohol Use
39
28 26
23
18 18 17 14
5 4
45
22 21 19
13 13 12 12
3 2
Boys
Girls
SOURCE: Global School-based Student Health Survey 2003/2013
% OF BOYS/GIRLS 13-15 WHO HAD 1+ ALCOHOLIC
DRINK IN LAST 30 DAYS
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Why is it Important to Address NCD Risk
Factors Among the Young Now in Africa?
Productivity loss
Lack of robust health systems to
address needs
NCD-related healthcare costs high and
increasing
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1. Global and Regional Population Change
2. Demographic Dividend (lost)
3. Disease Burden and Noncommunicable
diseases (NCDs)