Foreign Direct Investment. Sweden is one of the world''s largest investors. According to UNCTAD''s World Investment Report 2020, FDI inflows increased enormously in 2019, reaching USD 20 billion, compared to USD 3.8 billion in 2018, mainly due to the rise of EU investments. FDI stock was about USD 339 billion in 2019. Sweden is also a large investor, FDI outflows reached USD 23 billion in 2019.