COUNT DAX Function (Aggregation)

Counts the number of rows in the table where the specified column has a non-blank value.


COUNT ( <ColumnName> )
Parameter Attributes Description

The column that contains the values to be counted.

Return values

Scalar A single integer value.

Returns the number of cells in a column that contain a non blank value.


The only argument allowed to this function is a column.

When the function finds no rows that are non-blank, it returns a blank.

COUNT and COUNTA are identical in DAX for all the data types except Boolean. COUNTA can operate on a Boolean data type, whereas COUNT cannot do that.

Related functions

Other related functions are:

Last update: Jun 20, 2019   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

MSDN documentation:

DAX Conventions
Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.


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