Abstract
In an earlier paper, methods were presented for the construction of accounts and models for spatial demographic analysis. In this paper we show how these methods can be extended to deal with age-sex disaggregated populations. At the outset a new notation is introduced which facilitates disaggregation. The accounts are then defined and the basic accounting equations constructed. The appropriate rates and ‘at-risk’ populations are introduced as a preliminary to developing the equations of the account-based model. The model is also presented in transition-rate form, which facilitates comparison with alternative models.

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