人口、经济、环境和地理位置 ,所有这些因素都是重要的和相互联系的指标 ,人们利用这些指标来限定某个岛屿国家。居民人数的多少是区分小国和大国的至关重要的标准。按照共同的标准 ,人口少于 1 5 0万的国家称之为“小国”。在联合国所属的 1 91个成员国中 ,46个国家的人口少于 Demographic, economic, environmental and geographical location, all of which are important and interconnected indicators that one can use to limit an island nation. The number of residents is the most important criterion for distinguishing small and large countries. By common standards, countries with a population of less than 15 million are called “small states.” Out of the 91 member States to which the United Nations belongs, 46 have fewer than 90 inhabitants