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Population Ageing and Government Health Expenditures in New Zealand, 1951-2051 - WP 04/14

Publication Details

  • Population Ageing and Government Health Expenditures in New Zealand, 1951-2051
  • Published: Sep 2004
  • Status: Current
  • Authors: Bryant, John; Cheung, Jit; McHugh, Mhairi; Teasdale, Audrey; Tobias, Martin
  • JEL Classification: C53; H51
  • Hard copy: Available in HTML and PDF formats only.
 

Population Ageing and Government Health Expenditures in New Zealand, 1951-2051

New Zealand Treasury Working Paper 04/14

Published: September 2004

Authors: John Bryant, Audrey Teasdale, Martin Tobias, Jit Cheung and Mhairi McHugh

Abstract

The paper uses a simulation model to assess the effects of population ageing on government health expenditures in New Zealand. Population ageing is defined to include disability trends and “distance to death”; government health expenditures are defined to include both acute and long-term care. The model results suggest that population ageing is associated with a large increase in expenditure share of people aged 65 and over, which rises from about 29% of total government health expenditure in 1951 to 63% in 2051. Analysis of demographic and health trends over the period 1951 to 2002 suggests, however, that these trends account for only a small proportion of the total growth in health expenditure. Most expenditure growth is attributable to other factors, such as an expansion in the range of treatments provided, and increases in input prices such as wages. Growth in this non-demographic component of health expenditures has reached 3-4% per year over recent years. Projection results for the period 2002 to 2051 suggest that restraining government expenditure on health to 6-12% of GDP would require long-run growth rates for the non-demographic component of health expenditure that are significantly lower than current rates. In other words, future demographic changes may be less threatening than is often assumed, but it would still not be possible to maintain current growth rates for government health expenditure and avoid substantial increases in the ratio between expenditure and GDP.

Table of Contents

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Abstract

Table of Contents

List of Tables

List of Figures

Executive Summary

1 Introduction

2 The relationship between ageing, health, and health expenditures

3 Previous simulation models of ageing and health expenditures

4 The structure of the model

5 Operationalizing the model

6 Results

7 Summary and conclusions

References

Appendix 1 – Data on expenditure, distance to death, and disability in 2001

Appendix 2 – Further details on the model

Appendix 3 – International Evidence on Disability Trends

twp04-14.pdf (298 KB) pp. 51

List of Tables

List of Figures

Acknowledgements

The authors would like to thank the referees of the paper for their helpful comments. We would also like to thank participants at both Treasury and Ministry of Health internal seminars. Staff from the Policy Coordination and Development and the Health sections of the Treasury provided some useful feedback on earlier drafts.

Disclaimer

The views, opinions, findings, and conclusions or recommendations expressed in this Working Paper are strictly those of the author(s). They do not necessarily reflect the views of the New Zealand Treasury. The New Zealand Treasury takes no responsibility for any errors or omissions in, or for the correctness of, the information contained in this Working Paper. The paper is presented not as policy, but to inform and stimulate wider debate.

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