The figure is equivalent to 72.1% of the amount in the same period last year.
The processing industry and manufacturing attracted the most FDI, with over US$6.2 billion, which accounts for 65.5% of the total registered capital so far, the agency reported.
Real estate saw a total registered capital of over US$1.8 billion, while other areas including wholesale, retail and media attracted only over US$400 million.
FIA reported that Japan by far registered the highest amount of investment with US$4.7 billion, followed by Samoa and the Republic of Korea with US$899 million and US$711 million, respectively.
However, September’s FDI disbursements only hit US$820 million, which was the lowest level during the last five months, said FIA.
FDI disbursement during the first nine months recorded US$8.1 billion, equal to 98.8% of the level in the same period of last year.