20分!!急!!Introduce Japan

Japan is an island country in East Asia .It has the world's second largest economy,It is a developed country with high living standards, the longest life expectancy in the world and is a world leader in technology and machinery.

You can read the information about Japan in http://www.jnto.go.jp/eng/indepth/about/overview/index.html as reference and prepare a short 50words summary easily.