diff --git a/features/formatter.feature b/features/formatter.feature
index 62753cbd0..b7eedb162 100644
--- a/features/formatter.feature
+++ b/features/formatter.feature
@@ -189,3 +189,55 @@ Feature: Format output
       |         |          | banana     |
       |         |          | mango      |
       | 1       | bar      | br         |
+
+  Scenario: Format boolean values in table and JSON
+    Given an empty directory
+    And a file.php file:
+      """
+      <?php
+      $items = array(
+        array(
+          'id' => 1,
+          'status' => true,
+        ),
+        array(
+          'id' => 2,
+          'status' => false,
+        ),
+      );
+      $assoc_args = array();
+      $formatter = new WP_CLI\Formatter( $assoc_args, array( 'id', 'status' ) );
+      $formatter->display_items( $items );
+      """
+
+    When I run `wp eval-file file.php --skip-wordpress`
+    Then STDOUT should be a table containing rows:
+      | id | status |
+      | 1  | true   |
+      | 2  | false  |
+
+  Scenario: Format boolean values as JSON preserves boolean type
+    Given an empty directory
+    And a file.php file:
+      """
+      <?php
+      $items = array(
+        array(
+          'id' => 1,
+          'status' => true,
+        ),
+        array(
+          'id' => 2,
+          'status' => false,
+        ),
+      );
+      $assoc_args = array( 'format' => 'json' );
+      $formatter = new WP_CLI\Formatter( $assoc_args, array( 'id', 'status' ) );
+      $formatter->display_items( $items );
+      """
+
+    When I run `wp eval-file file.php --skip-wordpress`
+    Then STDOUT should be JSON containing:
+      """
+      [{"id":1,"status":true},{"id":2,"status":false}]
+      """
diff --git a/php/WP_CLI/Formatter.php b/php/WP_CLI/Formatter.php
index 87480a24a..ce17fe35b 100644
--- a/php/WP_CLI/Formatter.php
+++ b/php/WP_CLI/Formatter.php
@@ -356,7 +356,11 @@ private function assoc_array_to_rows( $fields ) {
 	}
 
 	/**
-	 * Transforms objects and arrays to JSON as necessary
+	 * Transforms item values for string-based output formats (table/CSV).
+	 *
+	 * Converts complex types to strings:
+	 * - Objects and arrays are converted to JSON strings
+	 * - Booleans are converted to "true" or "false"
 	 *
 	 * @param array|object $item
 	 * @return mixed
@@ -371,6 +375,13 @@ public function transform_item_values_to_json( $item ) {
 				} elseif ( is_array( $item ) ) {
 					$item[ $true_field ] = json_encode( $value );
 				}
+			} elseif ( is_bool( $value ) ) {
+				// Convert boolean to string representation for table/CSV display
+				if ( is_object( $item ) ) {
+					$item->$true_field = $value ? 'true' : 'false';
+				} elseif ( is_array( $item ) ) {
+					$item[ $true_field ] = $value ? 'true' : 'false';
+				}
 			}
 		}
 		return $item;