Multinodular Goiter: Its Causes, Treatment, Complications and More How Common Is Goiter? Goiter, particularly multinodular goiter (MNG), is the most common thyroid disease globally. An estimated 1.5 billion people , or 15% of the population, have one. Fortunately, most multinodular goiters are not life-threatening and many remain undetected. Nevertheless, MNGs […]