Table 1. Demographic characteristics of South Korea and North Korea
| Year | Population (1,000 people) | Life expectancy (yr) | Total fertility rate (births per 1,000 women) |
| South Korea | North Korea | South Korea | North Korea | South Korea | North Korea |
| Total | Male | Female | Total | Male | Female |
| 2000 | 47,008 | 22,702 | 76.0 | 72.3 | 79.7 | 65.3 | 61.2 | 69.0 | 1.48 | 1.99 |
| 2001 | 47,370 | 22,902 | 76.5 | 72.9 | 80.1 | 66.1 | 62.1 | 69.7 | 1.31 | 1.99 |
| 2002 | 47,645 | 23,088 | 76.8 | 73.4 | 80.3 | 66.9 | 63.0 | 70.4 | 1.18 | 1.99 |
| 2003 | 47,892 | 23,254 | 77.3 | 73.8 | 80.8 | 67.6 | 63.8 | 71.0 | 1.19 | 1.99 |
| 2004 | 48,083 | 23,411 | 77.8 | 74.3 | 81.2 | 68.1 | 64.3 | 71.5 | 1.16 | 1.98 |
| 2005 | 48,185 | 23,561 | 78.2 | 74.9 | 81.6 | 68.4 | 64.7 | 71.7 | 1.09 | 1.98 |
| 2006 | 48,438 | 23,707 | 78.8 | 75.4 | 82.1 | 68.5 | 64.8 | 71.8 | 1.13 | 1.97 |
| 2007 | 48,684 | 23,849 | 79.2 | 75.9 | 82.5 | 68.7 | 65.0 | 72.0 | 1.26 | 1.96 |
| 2008 | 49,055 | 23,934 | 79.6 | 76.2 | 83.0 | 68.9 | 65.3 | 72.2 | 1.19 | 1.95 |
| 2009 | 49,308 | 24,062 | 80.0 | 76.7 | 83.4 | 69.2 | 65.6 | 72.5 | 1.15 | 1.94 |
| 2010 | 49,554 | 24,187 | 80.2 | 76.8 | 83.6 | 69.6 | 66.0 | 72.9 | 1.23 | 1.94 |
| 2011 | 49,937 | 24,308 | 80.6 | 77.3 | 84.0 | 70.0 | 66.4 | 73.3 | 1.24 | 1.93 |
| 2012 | 50,200 | 24,427 | 80.9 | 77.6 | 84.2 | 70.5 | 66.8 | 73.8 | 1.30 | 1.93 |
| 2013 | 50,429 | 24,545 | 81.4 | 78.1 | 84.6 | 70.9 | 67.2 | 74.2 | 1.18 | 1.93 |
| 2014 | 50,747 | 24,662 | 81.8 | 78.6 | 85.0 | 71.2 | 67.6 | 74.5 | 1.21 | 1.93 |
| 2015 | 51,015 | 24,779 | 82.1 | 79.0 | 85.2 | 71.5 | 67.8 | 74.9 | 1.24 | 1.92 |
| 2016 | 51,218 | 24,897 | 82.4 | 79.3 | 85.4 | 71.7 | 68.1 | 75.1 | 1.17 | 1.92 |
| 2017 | 51,362 | 25,014 | 82.7 | 79.7 | 85.7 | 71.9 | 68.3 | 75.3 | 1.05 | 1.91 |
| Average (SD) | 49,229.4 (1,394.1) | 23,960.5 (702.7) | 79.6 (2.1) | 76.2 (2.3) | 82.9 (2.0) | 69.2 (1.9) | 65.4 (2.1) | 72.5 (1.9) | 1.2 (0.1) | 2.0 (0.0) |
| Sen’s slope (95% CI) | 260.3 (253, 272.9) | 125.3 (120.0, 134.7) | 0.4 (0.4, 0.4) | 0.4 (0.4, 0.4) | 0.4 (0.3, 0.4) | 0.3 (0.3, 0.4) | 0.4 (0.3, 0.4) | 0.3 (0.3, 0.4) | 0.00 (–0.02, 0.01) | 0.00 (–0.01, –0.00) |
| Mann-Kendall statistics | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | 5.8 (P–value <0.001) | –0.8 (P–value: 0.425) | –5.3 (P–value: <0.001) |
| β (Slope) (95% CI)* | 260.6 (252.5, 268.7) | 131.2 (125.9, 136.5) | 0.4 (0.4, 0.4) | 0.4 (0.4, 0.4) | 0.4 (0.3, 0.4) | 0.4 (0.3, 0.4) | 0.4 (0.3, 0.4) | 0.3 (0.3, 0.4) | 0.01 (–0.02, 0.00) | 0.00 (–0.01, 0.00) |
The slope coefficient for simple linear regression.