 Is Age Nominal or Ordinal Data? Age can be both nominal and ordinal data depending on the question types. I.e “How old are you” is used to collect nominal data while “Are you the firstborn or What position are you in your family” is used to collect ordinal data.

## Are ages nominal or ordinal?

Generally speaking, age is an ordinal variable since the number assigned to a person’s age is meaningful and not simple an arbitrarily chosen number/marker.

## What type of variable is age group?

Age is a key demographic variable, frequently recorded in survey data as part of a broader set of demographic variables such as education, income, race, ethnicity, and gender.

## What level of measurement is age group?

The short answer: Age is considered a ratio variable because it has a “true zero” value. It’s possible for an individual to be zero years old (a newborn) and we can say that the difference between 0 years and 10 years is the same as the difference between 10 years and 20 years.

## Are age groups categorical or quantitative?

One question that students often have is: Is age considered a qualitative or quantitative variable? The short answer: Age is a quantitative variable because it represents a measurable quantity.

## Should age be a categorical variable?

Age as a quantitative variable contains more information than as a categorical variable. If you were to represent age as a categorical variable, then you are doing away with the natural ordering of the ages you’d have by leaving it as a quantitative variable.

## Is age an interval data?

We can first distinguish between categoric and interval-level data. Interval-level variables are continuous, meaning that each value of the variable is one increment larger than the previous and one smaller than the next value. Age, if measured in years, is a good example; each increment is one year.

## Is age an independent variable?

It is a variable that stands alone and isn’t changed by the other variables you are trying to measure. For example, someone’s age might be an independent variable. Other factors (such as what they eat, how much they go to school, how much television they watch) aren’t going to change a person’s age.

### References:

1. https://allthingsstatistics.com/miscellaneous/is-age-nominal-or-ordinal/
2. https://methods.sagepub.com/dataset/howtoguide/age-in-ess-2016-spss
3. https://www.statology.org/is-age-interval-or-ratio/
4. https://www.statology.org/is-age-qualitative-or-quantitative/
5. https://stats.stackexchange.com/questions/413193/is-age-categorical-or-quantitative-or-both
6. https://www.icpsr.umich.edu/web/pages/instructors/setups/analysis.html
7. https://nces.ed.gov/nceskids/help/user_guide/graph/variables.asp