The figure is a 41 percent increase from the year before, when $4.1 billion was invested in the city.
FDI has been rising since bottoming out in 2010.
Around $2.3 billion, the largest amount, or 40 percent of the total FDI was made by Japanese investors, who still struggle with the strong yen and power shortages in Japan; followed by Singapore with $510 million; Hong Kong with $170 million; and China at $130 million.
Investment by the debt-ridden EU nations decreased by around 22 percent, recording $160 million.
By Kim Young-won (wone0102@heraldcorp.com)