[discrete] [[esql-agg-count]] === `COUNT` *Syntax* [source,esql] ---- COUNT([input]) ---- *Parameters* `input`:: Column or literal for which to count the number of values. If omitted, returns a count all (the number of rows). *Description* Returns the total number (count) of input values. *Supported types* Can take any field type as input. *Examples* [source.merge.styled,esql] ---- include::{esql-specs}/stats.csv-spec[tag=count] ---- [%header.monospaced.styled,format=dsv,separator=|] |=== include::{esql-specs}/stats.csv-spec[tag=count-result] |=== To count the number of rows, use `COUNT()` or `COUNT(*)`: [source.merge.styled,esql] ---- include::{esql-specs}/docs.csv-spec[tag=countAll] ---- [%header.monospaced.styled,format=dsv,separator=|] |=== include::{esql-specs}/docs.csv-spec[tag=countAll-result] |===