Private investment in infrastructure in the Republic of Korea totaled W106 trillion ($98.33 billion) at the end of 2016 according to the Ministry of Economy and Finance. Table 8.3 shows private investment in BTO infrastructure projects and its contribution to gross domestic product growth from 2001 to 2012. Table 8.4 shows the same for BTL projects for 2005 to 2012.
Table 8.3: Effect on Growth from Build-Transfer-Operate Projects in the Republic of Korea (won trillion)
| Year | Nominal GDP | Total Project Cost of BTO Projects | Private Investment in BTO Projects | Contribution to GDP | GDP Growth Effect (%) |
| 2001 | 651.42 | 1.83 | 1.36 | 107 | 0.165 |
| 2002 | 720.54 | 2.33 | 1.71 | 150 | 0.208 |
| 2003 | 767.11 | 2.27 | 1.63 | 161 | 0.209 |
| 2004 | 826.89 | 2.98 | 2.12 | 180 | 0.218 |
| 2005 | 865.24 | 4.08 | 2.78 | 232 | 0.268 |
| 2006 | 908.74 | 5.13 | 3.42 | 299 | 0.329 |
| 2007 | 975.01 | 5.46 | 3.70 | 341 | 0.349 |
| 2008 | 1,026.45 | 5.86 | 4.10 | 381 | 0.371 |
| 2009 | 1,065.04 | 5.00 | 3.49 | 370 | 0.348 |
| 2010 | 1,173.28 | 3.36 | 2.47 | 291 | 0.248 |
| 2011 | 1,235.16 | 3.46 | 2.51 | 246 | 0.199 |
| 2012 | 1,272.46 | 3.53 | 2.72 | 249 | 0.195 |
BTO = build-transfer-operate, GDP = gross domestic product.
Source: Korea Development Institute. 2014. Comprehensive Evaluation on Public-Private Partnership Projects in Korea. Sejong.
Table 8.4: Effect on Growth from Build-Transfer-Lease Projects
in the Republic of Korea
(won trillion)
| Year | Nominal GDP | Total Project Cost of BTL Projects | Private Investment in BTL Projects | Contribution to GDP | GDP Growth Effect (%) |
| 2005 | 865.24 | 0.0044 | 0.0044 | 0.15 | 0.00017 |
| 2006 | 908.74 | 0.81 | 0.81 | 33 | 0.037 |
| 2007 | 975.01 | 2.19 | 2.19 | 139 | 0.143 |
| 2008 | 1,026.45 | 3.58 | 3.56 | 276 | 0.269 |
| 2009 | 1,065.04 | 3.63 | 3.60 | 340 | 0.319 |
| 2010 | 1,173.28 | 3.88 | 3.85 | 364 | 0.310 |
| 2011 | 1,235.16 | 4.17 | 4.15 | 389 | 0.315 |
| 2012 | 1,272.46 | 3.77 | 3.77 | 384 | 0.302 |
BTL = build-transfer-lease, GDP = gross domestic product.
Source: Korea Development Institute. 2014. Comprehensive Evaluation on Public-Private Partnership Projects in Korea. Sejong.