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World population in 2050: assessing the projections: discussion

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  • Wolfgang P. Lutz

Abstract

I would like to follow up on the last sentence of the excellent presentation by Joel Cohen. It is indeed true that the lag between new methodological developments and their actual implementation by statistical agencies is regrettably long, but I think there is some hope that the speed of applying innovations has been accelerating over this century. This is the case in many other areas, and it would be surprising if it were not the case in the field of population forecasting. I would assess with a probability of well above 90 percent that by the end of this century, institutional procedures for projecting population will include probabilistic elements. ; In the following, I would like to mention three additional aspects [new methods, extreme events, and projections of population by level of education] complementing the important remarks made by Cohen.

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  • Wolfgang P. Lutz, 2001. "World population in 2050: assessing the projections: discussion," Conference Series ; [Proceedings], Federal Reserve Bank of Boston, vol. 46.
    • Handle: RePEc:fip:fedbcp:y:2001:n:46:x:13
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    1. Wolfgang Lutz & Sergei Scherbov, 1998. "An Expert-Based Framework for Probabilistic National Population Projections: The Example of Austria," European Journal of Population, Springer;European Association for Population Studies, vol. 14(1), pages 1-17, March.
    2. Alho, Juha M., 1990. "Stochastic methods in population forecasting," International Journal of Forecasting, Elsevier, vol. 6(4), pages 521-530, December.
    3. Shripad Tuljapurkar & Nan Li & Carl Boe, 2000. "A universal pattern of mortality decline in the G7 countries," Nature, Nature, vol. 405(6788), pages 789-792, June.
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