Overseas clients often don't understand the challenges the Japan market offers.
With a population of 126.8 million December 2015 Japan boasts the largest and most diverse economy in Asia, and is second only to the U.S. on the world's economic stage. The U.S. sends more exports to Japan than it does to any other overseas destination.
Note: The population of Japan represents 1.85 percent of the world´s total population which arguably means that one person in every 55 people on the planet is a resident of Japan.
Unlike other countries the majority of the business is concentrated in one city “Tokyo”.
With an unemployment rate of 3.20% February 2016; the war for talent is unlike anywhere else in the world. In spite of this, all the international firms are fighting for a very limited pool of talent.
Below is a document, backed with government statistics, outlining the current market condition, as well as major challenges within the recruiting market here in Japan. Here the complete update overview, compliments of SCJ: