发展函件业务是一个国家设立邮政部门的主要目的,从这个意义上说函件业务的发展水平代表着一个国家邮政的发展水平。本文从人均函件量、函件业务增长幅度和函件业务收入等方面进行国内外函件业务发展对比分析,力图寻求函件业务发展的规律和特点。 国内外人均函件量和函件业 The development of the letter business is the main purpose of a country’s postal establishment. In this sense, the level of development of the letter business represents the level of development of a country’s postal service. This article analyzes the development of mail business both at home and abroad in terms of the volume of mail letters per person, the growth rate of mail business and the income of mail business, and tries to find out the rules and characteristics of mail business development. Letter of correspondence and letter industry at home and abroad