| # | Flag | Country | Investment in water and sanitation with private participation (current US$)Investment in water and sanitation with private participation (current US$) | Year |
|---|---|---|---|---|
| 1 | Malaysia | $2,521,000,000 | 2004 | |
| 2 | China | $1,617,440,000 | 2018 | |
| 3 | Russia | $1,200,000,000 | 2015 | |
| 4 | Turkey | $942,000,000 | 1996 | |
| 5 | Cuba | $600,000,000 | 2000 | |
| 6 | India | $583,300,000 | 2018 | |
| 7 | Mexico | $537,300,000 | 2018 | |
| 8 | Egypt | $475,000,000 | 2010 | |
| 9 | Algeria | $468,000,000 | 2009 | |
| 10 | Bangladesh | $327,000,000 | 2018 | |
| 11 | Bolivia | $320,000,000 | 1999 | |
| 12 | Indonesia | $314,620,000 | 2018 | |
| 13 | Gabon | $294,000,000 | 1997 | |
| 14 | Morocco | $239,530,000 | 2018 | |
| 15 | Jordan | $223,000,000 | 2012 | |
| 16 | Honduras | $207,900,000 | 2001 | |
| 17 | Armenia | $200,000,000 | 2016 | |
| 18 | Bulgaria | $152,000,000 | 2000 | |
| 19 | Colombia | $129,000,000 | 2013 | |
| 20 | Ghana | $126,000,000 | 2012 | |
| 21 | Peru | $121,400,000 | 2018 | |
| 22 | Sudan | $120,700,000 | 2007 | |
| 23 | Ukraine | $102,000,000 | 2008 | |
| 24 | Tunisia | $95,000,000 | 2010 | |
| 25 | Vietnam | $88,900,000 | 2016 | |
| 26 | Papua New Guinea | $71,000,000 | 1997 | |
| 27 | Rwanda | $60,000,000 | 2017 | |
| 28 | Belize | $49,600,000 | 2001 | |
| 29 | Romania | $41,000,000 | 2006 | |
| 30 | Argentina | $34,650,000 | 2004 | |
| 31 | Serbia | $33,300,000 | 2012 | |
| 32 | Senegal | $33,000,000 | 2015 | |
| 33 | South Africa | $31,300,000 | 2000 | |
| 34 | Ecuador | $26,490,000 | 2018 | |
| 35 | Mozambique | $25,500,000 | 1999 | |
| 36 | Panama | $25,000,000 | 1998 | |
| 37 | Georgia | $25,000,000 | 2017 | |
| 38 | Philippines | $18,960,000 | 2018 | |
| 39 | Thailand | $18,800,000 | 2006 | |
| 40 | Venezuela | $15,000,000 | 2001 | |
| 41 | Tanzania | $8,500,000 | 2003 | |
| 42 | Albania | $8,000,000 | 2002 | |
| 43 | Guatemala | $6,700,000 | 2008 | |
| 44 | Niger | $3,400,000 | 2001 | |
| 45 | Brazil | $1,400,000 | 2018 | |
| 46 | Haiti | $1,000,000 | 2009 | |
| 47 | Guinea | $300,000 | 1989 |