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demography

The R package demography provides functions for demographic analysis including: lifetable calculations; Lee-Carter modelling; functional data analysis of mortality rates, fertility rates, net migration numbers; and stochastic population forecasting.

Installation

You can install the stable version on R CRAN.

install.packages('demography', dependencies = TRUE)

You can also install the development version from Github

# install.packages("devtools")
library(devtools)
install_github("robjhyndman/demography")

License

This package is free and open source software, licensed under GPL (>= 3).

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Version

Install

install.packages('demography')

Monthly Downloads

10,697

Version

2.0.1

License

GPL (>= 3)

Issues

Pull Requests

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Repository

https://github.com/robjhyndman/demography

Homepage

https://pkg.robjhyndman.com/demography/

Maintainer

Rob Hyndman

Last Published

October 6th, 2025

Functions in demography (2.0.1)

Integrated Squared Forecast Error for models of various orders

Model mortality or fertility data using Lee-Carter approach

French mortality data

Read data from HMD and construct a mortality demogdata object

Forecast functional demographic model.

life.expectancy

Estimate life expectancy from mortality rates

Read demographic data and construct demogdata object

Compute residuals and fitted values from functional demographic model or Lee-Carter model

Mean and median functions for data of class demogdata

Plot differences between actuals and estimates from fitted demographic model

Construct lifetables from mortality rates

Summary for functional demographic model or Lee-Carter model

Compute sex ratios from mortality rates

Show model information for the forecast coefficients in FDM models.

Combine the upperages of a demogdata object.

Calculate net migration from mortality and fertility data

smooth.demogdata

Create smooth demogdata functions

Compute total fertility rate from fertility rates

simulate.fmforecast

Simulate future sample paths from functional demographic model forecasts.

Plot age-specific demographic functions

plot.fmforecast

Plot forecasts from a functional demographic modell

Updating functional demographic models and coherent functional demographic models.

Population simulation

Plot life expectancy from lifetable

Coherent functional demographic model for grouped data

as.data.frame.demogdata

Coerce a demogdata object to a data.frame object

Monotonic interpolating splines

Create demogdata object from raw data matrices

demography-package

Forecasting mortality and fertility data

Extract some ages from a demogdata object

Extract some years from a demogdata object

compare.demogdata

Evaluation of demographic forecast accuracy

Australian fertility data

combine.demogdata

Combine two demogdata objects into one demogdata object

Functional demographic model

Forecast coherent functional demographic model.

Forecast demogdata data using Lee-Carter method.