Part TwoUS Future TechnologyIntroductionDuring economic development stage, any country must encounter any new challenges and these new challenges had not encountered to occur to any country in the past. However, the most fast economic growth of country, such as US, it will have possible to encounter these same challenges during its economic development stage.I write this book aims to give my view points to indicate and explain what factors will cause US future economic growth. In this book part one, it will explain why these factors will impact US future economic growth. The factors include external environment impact of developing countries cities technological competitive investment factor, the trends impact on rural America's future economy factor, high level education and high birth rate factor, socio-economic and political factor, an increase in the returns to education factor influences US future labor market change, popular science, technology, engineering and mathematics kind of labor supply will be increased demand in US, increase development in genetics, human intelligence, robotics, nanotechnology, 3D printing and biotechnology technological industry factor, US entrepreneurship innovation influence US future geography economic growth factor, the role of intangible assets influences the regional economic growth in US factor, social factor impacts US future economic growth, tourism industry influences US future economy growth, the effects of population growth influence US economy growth, reducing income inequality factor influences future boosting US economic growth, long term cheap medical cost trend factor influences US economic growth, talent management factor influence US economic growth factor, the impact of educational quality factor, bio-medical industry factor.Part TwoFuture factors influence US economic growthChapter TwoExternal environmental impact Some economists predict developing countries every city in the global 750 is projected to have a larger future technological economy growth. But the diversity of developing countries' economic performance is large. Developing economy cities, such as China, Japan, Hong Kong, Korea cities can grow rapidly by acquiring capital and technological know-how and putting them to use by their rapidly growing urban labor forces. Even, these developing countries cities' rapid technological development can impact to US labor market supply.Due to future rapid technological development to these developing countries, the result will cause developing countries cities, such as Asia China, Hong Kong, India cities economy growth will rapidly. Otherwise, developed western countries cities, such as US, UK, Canada, Australia, Span, Germany etc. countries lie close to the technological frontier have stable urban populations and more limited investment and job creation opportunities. It will influence these developed countries' economic growth is slow than the developing countries. Due to developing Asia countries cities will prefer to invest more technological development to compare to developed countries, such as US, UK, Canada, Australia, Span, Germany etc. countries. Therefore developed countries, such as US, UK, Canada, Australia, Span, Germany etc. countries tend to grow more slowly. It seems developing Asia countries, such as Hong Kong, China, Korea etc. countries urban and central cities economic performance within developing countries will be better than developed countries, such as UK, US urban and central cities within five years.