What Type of Data Is Age?


Scott Campbell

What Type of Data Is Age?

In data analysis and statistics, it is important to understand the types of data we are dealing with. One common variable that often arises is age.

But what type of data is age? Let’s explore this question in detail.

Numerical Data

Age is considered as numerical data. It represents a quantitative measurement and can be expressed in numbers.

Numerical data can further be divided into two subcategories: discrete and continuous.

Discrete Data

Discrete data refers to values that are finite or countable, typically represented by whole numbers. In the case of age, it is usually recorded as discrete data since it refers to specific years lived.

For example, a person’s age can be 25 years old or 40 years old.

Continuous Data

Continuous data, on the other hand, refers to values that can take any number within a specific range. While age can be treated as discrete data in most situations, it can also be considered continuous when measured with high precision using decimal points or exact dates.

For instance, if we measure a person’s age as 25.5 years or calculate their exact age based on their birthdate and today’s date.

Categorical Data

While age is primarily numerical data, it can also be transformed into categorical data for certain analytical purposes. Categorical data divides observations into distinct groups or categories based on characteristics or attributes.

Age can be categorized into different groups such as “child,” “teenager,” “adult,” and “senior citizen” to analyze trends or patterns based on age ranges.


In summary, age is primarily considered as numerical data, falling under the category of quantitative variables. It can be treated as either discrete or continuous data, depending on the level of precision required for analysis.

Additionally, age can also be transformed into categorical data by grouping it into specific age ranges. Understanding the nature of the data we are working with is crucial for accurate analysis and interpretation in any statistical study.

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