In a Western toilet with water in it, the splash is always there, whether you're sitting or squatting. The only time there isn't any splash is in a proper Asia

In a Western toilet with water in it, the splash is always there, whether you're sitting or squatting. The only time there isn't any splash is in a proper Asian squat toilet, as it doesn't hold water. The output can be drained away as often as needed, again with no splash.