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Questions tagged [demography]

Demography is the statistical study of populations and their characteristics, such as births, deaths, migrations, consequences of changes, etc.

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Why does the US death rate not "match" life expectancy

From the CDC (https://www.cdc.gov/nchs/fastats/deaths.htm): Death rate: 863.8 deaths per 100,000 population Life expectancy: 78.6 years Now in a static situation I would expect that the death rate to be the reciprocal of the life expectancy or…
DavidS
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Why do demographers give rates per 100,000 people?

It seems universal that demographic statistics are given in terms of 100,000 population per year. For instance, suicide rates, homicide rates, disability-adjusted life year, the list goes on. Why? If we were talking about chemistry, parts per…
AlanSE
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Estimating demographics from internet activity

I'm looking for research papers on estimating demographic information (age, wealth, location, gender etc.) out of internet activities (preferably social network activity or browser history). Where would be a good place to look for?
Enno Shioji
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Viral topics. How to describe and characterize bumps in time series of tag-activity on Meta Stack Exchange

Background There is much dissatisfaction on StackExchange. This can now be covered in over 250 questions on meta (see 1 and 2). In response to that I made a recent meta-post and supported it with the following data/image. In that image it shows a…
Sextus Empiricus
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Non-monotone hazard functions

I should start with the caveat that I am relatively new to Survival analysis. I was watching a Hulu documentary about Crocodiles last night, and they mentioned that baby crocodiles have a low chance of survival when they are young, but "with each…
knrumsey
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How to help people understand "...per 100,000"?

It's well known that members of the public have difficulty comprehending numbers over a certain size. A common tricky issue for people communicating demographic trends is helping people make sense of rates out of 100,000. This is an important issue…
user56reinstatemonica8
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Forecasting demographic census

What are some of the ways to forecast demographic census with some validation and calibration techniques? Some of the concerns: Census blocks vary in sizes as rural areas are a lot larger than condensed urban areas. Is there a need to account for…
dassouki
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Residual from Functional Demographic model for fertility

I'm trying to fit a functional demographic model (fdm) to fertility rates using the demography package in R. When I've plotted the residuals using filled.contour, it seems that residuals persist in the lowest age interval over the period. Since…
Vara
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Can someone explain homicide-related death rates?

If I see a statistic of homicide-related deaths per 100,000 is that per 100,000 deaths therefore giving an expected probability of death when dividing one by the other? or is it deaths by homicide per 100,000 people per period of time (like annually…
ajax2112
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My fertility simulation is not matching reality

Using data from US vital statistics I created a simulation that was based on the number of children a woman has over her lifetime as follows (out of 10000): 0 4100 1 5800 2 8200 3 9380 4 9780 5 9900 6 9960 7 9985 8 9995 9 9998 10…
Tyler Durden
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Does it make sense to impute year of birth?

This is data cleaning and preparation stage question for me. I apologize if the question is basic, but I am a beginner. I have a dataset of a bit less than 4500 records. This is a survey and year of birth is an important field. Now 670 records do…
r0berts
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Is there a population size limit for using the R package Demography when doing stochastic population forecasting

Is it possible to do stochastic population forecasting with the R package Demography when the population size is between 10k and 20k? I have data from year 1985 to 2012 for population, deaths and births. What do you do when almost half of the death…
Hdmas
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Covid-19 and life expectancy

A public figure in my home country said the following: "The life expectancy in our country is 82 years. The average age of those who die of covid-19 is also about 82 years. Hence, on average, people do not die from covid-19 disease at all. I am…
Latent
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A reference request for a population statistic---experienced population density?

We all know that countries (for example) have population densities, but suppose we want to know what is the actual experienced population density (that is, if, say, in Sweden 95% of the population live in Stockholm, and a couple of hardy Lapps live…
Igor Rivin
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Sparkline type visualisation of demographics in papers (introducing new 'non-standard' visuals)

It seems typical to include only basic statistics on subject demographics within papers (i.e. mean, max and min). It seems to me that having a knowledge of the actual distribution would be provide more insight, particularly if this could be included…
welf
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