本报告聚焦美国国家城市联盟对2019年1～4月153个市长演讲内容的分析，涉及不同人口规模和地理区域的城市。通过对经济发展、基础设施、健康和公共服务、能源与环境、预算与管理、住房、公共安全、人口统计、教育、政府数据与技术等方面的研究，剖析美国城市发展状况，描述城市发展最新动态以及不同地域、不同规模的城市发展重点，指出经济发展始终是城市动态最重要的话题，健康和公共服务、基础设施是城市发展动态的重要因素，同时城市发展引领国家创新发展。
This 2019 report is based on the content analysis of 153 mayors’ speeches delivered by the national urban alliance of the United States from January to April 2019，including cities with different population sizes and geographical regions. Based on the study of economic development，infrastructure，health and human services，energy and environment，budget and management，housing，public security，demography，education，government data and technology，the report analyzes the urban development status of the United States，describes the latest trends of urban development，and focuses on urban development in different regions and scales，and points out the beginning of economic development Finally，it is the most important topic of urban dynamics. Health and public services，infrastructure are important factors of urban development dynamics. At the same time，urban development leads the country and develops with innovative ideas.
| Keywords： | Public ServiceInfrastructureCityUS |
