diff --git a/course/classes/reportbuilder/datasource/participants.php b/course/classes/reportbuilder/datasource/participants.php
index 1cb1d290157..7c503495b40 100644
--- a/course/classes/reportbuilder/datasource/participants.php
+++ b/course/classes/reportbuilder/datasource/participants.php
@@ -113,18 +113,22 @@ class participants extends datasource {
         );
 
         // Join completion entity.
-        $completionentity = new completion();
+        $completionentity = (new completion())
+            ->set_table_aliases([
+                'course' => $course,
+                'user' => $user,
+            ]);
         $completion = $completionentity->get_table_alias('course_completion');
-        $completionentity->add_joins($userentity->get_joins());
-        $completionentity->add_join("
-            LEFT JOIN {course_completions} {$completion}
-                   ON {$completion}.course = {$course}.id AND {$completion}.userid = {$user}.id
-        ");
-        $completionentity->set_table_alias('user', $user);
-        $this->add_entity($completionentity);
+        $this->add_entity($completionentity
+            ->add_joins($userentity->get_joins())
+            ->add_join("
+                LEFT JOIN {course_completions} {$completion}
+                       ON {$completion}.course = {$course}.id AND {$completion}.userid = {$user}.id")
+        );
 
         // Join course access entity.
-        $accessentity = new access();
+        $accessentity = (new access())
+            ->set_table_alias('user', $user);
         $lastaccess = $accessentity->get_table_alias('user_lastaccess');
         $accessentity->add_joins($userentity->get_joins());
         $accessentity->add_join("
diff --git a/course/classes/reportbuilder/local/entities/completion.php b/course/classes/reportbuilder/local/entities/completion.php
index 78f00305275..52dedaf820c 100644
--- a/course/classes/reportbuilder/local/entities/completion.php
+++ b/course/classes/reportbuilder/local/entities/completion.php
@@ -22,9 +22,13 @@ use core_reportbuilder\local\entities\base;
 use core_course\reportbuilder\local\formatters\completion as completion_formatter;
 use core_reportbuilder\local\filters\boolean_select;
 use core_reportbuilder\local\filters\date;
+use core_reportbuilder\local\helpers\database;
 use core_reportbuilder\local\helpers\format;
 use core_reportbuilder\local\report\column;
 use core_reportbuilder\local\report\filter;
+use completion_criteria_completion;
+use completion_info;
+use html_writer;
 use lang_string;
 use stdClass;
 
@@ -111,6 +115,49 @@ class completion extends base {
                 return format::boolean_as_text($value);
             });
 
+        // Completion criteria column.
+        $criterias = database::generate_alias();
+        $columns[] = (new column(
+            'criteria',
+            new lang_string('criteria', 'core_completion'),
+            $this->get_entity_name()
+        ))
+            ->add_joins($this->get_joins())
+            // Determine whether any criteria exist for the course. We also group per course, rather than report each separately.
+            ->add_join("LEFT JOIN (
+                            SELECT DISTINCT course FROM {course_completion_criteria}
+                       ) {$criterias} ON {$criterias}.course = {$course}.id")
+            ->set_type(column::TYPE_TEXT)
+            // Select enough fields to determine user criteria for the course.
+            ->add_field("{$criterias}.course", 'courseid')
+            ->add_field("{$course}.enablecompletion")
+            ->add_field("{$user}.id", 'userid')
+            ->set_disabled_aggregation_all()
+            ->add_callback(static function($id, stdClass $record): string {
+                if (!$record->courseid) {
+                    return '';
+                }
+
+                $info = new completion_info((object) ['id' => $record->courseid, 'enablecompletion' => $record->enablecompletion]);
+                if ($info->get_aggregation_method() == COMPLETION_AGGREGATION_ALL) {
+                    $title = get_string('criteriarequiredall', 'core_completion');
+                } else {
+                    $title = get_string('criteriarequiredany', 'core_completion');
+                }
+
+                // Map all completion data to their criteria summaries.
+                $items = array_map(static function(completion_criteria_completion $completion): string {
+                    $criteria = $completion->get_criteria();
+
+                    return get_string('criteriasummary', 'core_completion', [
+                        'type' => $criteria->get_details($completion)['type'],
+                        'summary' => $criteria->get_title_detailed(),
+                    ]);
+                }, $info->get_completions((int) $record->userid));
+
+                return $title . html_writer::alist($items);
+            });
+
         // Progress percentage column.
         $columns[] = (new column(
             'progresspercent',
diff --git a/course/tests/reportbuilder/datasource/participants_test.php b/course/tests/reportbuilder/datasource/participants_test.php
index eb0bf7fd3f1..0eb6acde61c 100644
--- a/course/tests/reportbuilder/datasource/participants_test.php
+++ b/course/tests/reportbuilder/datasource/participants_test.php
@@ -19,6 +19,7 @@ declare(strict_types=1);
 namespace core_course\reportbuilder\datasource;
 
 use completion_completion;
+use completion_criteria_self;
 use core_collator;
 use core_reportbuilder\local\filters\boolean_select;
 use core_reportbuilder\local\filters\date;
@@ -33,7 +34,6 @@ defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
 require_once("{$CFG->dirroot}/reportbuilder/tests/helpers.php");
-require_once("{$CFG->libdir}/gradelib.php");
 
 /**
  * Course participants datasource tests
@@ -47,6 +47,16 @@ require_once("{$CFG->libdir}/gradelib.php");
  */
 class participants_test extends core_reportbuilder_testcase {
 
+    /**
+     * Load required test libraries
+     */
+    public static function setUpBeforeClass(): void {
+        global $CFG;
+
+        require_once("{$CFG->libdir}/gradelib.php");
+        require_once("{$CFG->dirroot}/completion/criteria/completion_criteria_self.php");
+    }
+
     /**
      * Test default datasource
      */
@@ -107,8 +117,11 @@ class participants_test extends core_reportbuilder_testcase {
         $group = self::getDataGenerator()->create_group(['courseid' => $course->id]);
         self::getDataGenerator()->create_group_member(['groupid' => $group->id, 'userid' => $user1->id]);
 
-        // Mark course as completed for the user.
-        $ccompletion = new completion_completion(array('course' => $course->id, 'userid' => $user1->id));
+        // Create self completion, mark as complete for the user.
+        $criteriaconfig = (object) ['id' => $course->id, 'criteria_self' => true];
+        (new completion_criteria_self())->update_config($criteriaconfig);
+
+        $ccompletion = new completion_completion(['course' => $course->id, 'userid' => $user1->id]);
         $ccompletion->mark_enrolled($timestart);
         $ccompletion->mark_complete($timecompleted);
 
@@ -146,6 +159,7 @@ class participants_test extends core_reportbuilder_testcase {
 
         $generator->create_column(['reportid' => $report->get('id'),
             'uniqueidentifier' => 'group:name']);
+        $generator->create_column(['reportid' => $report->get('id'), 'uniqueidentifier' => 'completion:criteria']);
         $generator->create_column(['reportid' => $report->get('id'),
             'uniqueidentifier' => 'completion:completed']);
         $generator->create_column(['reportid' => $report->get('id'),
@@ -197,6 +211,7 @@ class participants_test extends core_reportbuilder_testcase {
             'student', // Role shortname.
             'Students generally have fewer privileges within a course.', // Role description.
             $group->name, // Group name.
+            "All criteria below are required<ul>\n<li>Self completion: Self completion</li>\n</ul>", // Completion criteria.
             'Yes', // Course completed.
             userdate($timelastaccess), // Time last access.
             '100.0%', // Progress percentage.
diff --git a/lang/en/completion.php b/lang/en/completion.php
index 41aec434b90..37a5ab21940 100644
--- a/lang/en/completion.php
+++ b/lang/en/completion.php
@@ -137,6 +137,7 @@ $string['criteria'] = 'Criteria';
 $string['criteriagroup'] = 'Criteria group';
 $string['criteriarequiredall'] = 'All criteria below are required';
 $string['criteriarequiredany'] = 'Any criteria below are required';
+$string['criteriasummary'] = '{$a->type}: {$a->summary}';
 $string['csvdownload'] = 'Download in spreadsheet format (UTF-8 .csv)';
 $string['datepassed'] = 'Date passed';
 $string['days'] = 'Days';