DAX Headcount by Age Group Measure

Buckets each employee into an age band for demographic reporting.

HRIntermediateage groupbandingdemographics

DAX code

Age Group =
VAR Age = DATEDIFF('Employee'[DateOfBirth], TODAY(), YEAR)
RETURN
    SWITCH(
        TRUE(),
        Age < 25, "Under 25",
        Age <= 34, "25-34",
        Age <= 44, "35-44",
        Age <= 54, "45-54",
        "55+"
    )

Notes

This is written as a calculated column so it can be used to slice and group employees by age band in a visual.

Requirements

An Employee table with a DateOfBirth column.

How to use this measure

In Power BI Desktop, select the table that should hold the measure and choose New measure on the ribbon.
Paste the code, then replace the placeholder table and column names with your own. The My table names fields above do this for you.
Run it through the DAX Formatter if you want it laid out in your team's style.

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More DAX resources

Browse all 175 measures in the Power BI DAX Measures Library, or search the library for something similar to Headcount by Age Group.