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Related Concept Videos

Interval Level of Measurement00:55

Interval Level of Measurement

For effective statistical analysis, data are classified into four levels of measurement—nominal, ordinal, interval, and ratio.
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Related Experiment Videos

Absolute poverty measures for the developing world, 1981-2004.

Shaohua Chen1, Martin Ravallion

  • 1Development Research Group, World Bank, 1818 H Street NW, Washington, DC 20433, USA.

Proceedings of the National Academy of Sciences of the United States of America
|October 19, 2007
PubMed
Summary
This summary is machine-generated.

Global poverty shows a declining percentage of people, but the total number of poor remains a challenge, especially in sub-Saharan Africa. Recent trends suggest potential improvements, with poverty increasingly urbanizing.

Related Experiment Videos

Area of Science:

  • Economics
  • Development Studies
  • Global Health

Background:

  • Absolute poverty measurement is crucial for understanding global development.
  • Estimates of poverty trends are essential for policy-making.
  • The period 1981-2004 provides a significant timeframe for analyzing poverty dynamics.

Purpose of the Study:

  • To provide updated estimates of absolute poverty in the developing world from 1981 to 2004.
  • To analyze regional variations in poverty reduction progress.
  • To investigate the impact of urban living costs on poverty measures.

Main Methods:

  • Utilized new estimation methods for absolute poverty.
  • Analyzed data covering the developing world from 1981 to 2004.
  • Incorporated adjustments for urban cost of living differences.

Main Results:

  • A consistent decline in the percentage of people living in absolute poverty globally.
  • Limited success in reducing the total number of poor, with increases in regions like sub-Saharan Africa.
  • Evidence of poverty urbanization, though most poor remain in rural areas.
  • Signs of progress across regions post-2000 warrant further monitoring.

Conclusions:

  • While the proportion of the world's poor has decreased, the absolute number presents ongoing challenges.
  • Poverty reduction efforts need to address regional disparities and the increasing urbanization of poverty.
  • Further research is needed to confirm emerging positive trends in poverty reduction.