Here is a little snippet that enables you to display the total numbers of WordPress posts for a specific custom post type.
The following code will get the total number of published posts in a custom post type and display it in your theme.
Add this code your theme files where you want the shortcode content to be run.
Remember to replace “POST-TYPE-NAME” with the name of the custom post type.
// Get total number of posts in POST-TYPE-NAME
$count_posts = wp_count_posts('POST-TYPE-NAME');
$total_posts = $count_posts->publish;
echo $total_posts . ' POST-TYPE-NAME. ';