"The number of foreign visitors to Japan in the first half of 2013 reached a record high of 4.95 million, up 22.8 percent from a year earlier,...By country and region, South Koreans accounted for the largest proportion of foreign visitors, at 1.32 million, up 38.4 percent from a year earlier, followed by Taiwanese at 1.03 million, up 49.4 percent."
Source:
January-June foreign visitors to Japan hit record 4.95 million
KYODO
July 24th 2013
Japan Times