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World population
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David Lam

Emeritus Professor, Department of Economics, and Emeritus Research Professor, Population Studies Center, University of Michigan, USA. • davidl(at)umich.edu
Environment and development

How will two billion more people affect food, water, energy, and CO2?

January 20, 2025 David Lam
Environment, population, population growth, world

David Lam looks at the resource impact of the projected 2.1 billion increase in world population by 2084. He concludes that population change will increase demand for food and water, … Read more

Environment and development

The world’s next 4 billion people will differ from the previous 4 billion

March 6, 2021July 24, 2017 David Lam
Demography, population, world

When the world population reached 7 billion in 2011, it marked the amazing addition of 4 billion people in just over 50 years, the world having attained the 3 billion … Read more

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Latest posts

  • What we know about child protective services in the Global North
  • Cohabitation and mortality in Sweden: does living with a non-marital partner extend life?
  • Young immigrants adapt to Swedish childbearing norms
  • Prevalence of young children in polygynous households in sub-Saharan Africa

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