The population of South Sudan is expected to grow by 343,000 in 2018 and reach 13,263,000 in 2019. Migration (including immigration and emigration) increases population by 30,000 people yearly. On average there are 454,410 births and 135,789 deaths in South Sudan per year. Rate of natural increase is approximately 2.47 percent per year. The population density of South Sudan has changed from 7.7 in 1980 to 20.0 in 2016.
| Current population | 13,248,863 people at present (Sunday 16th of December 2018) | |
| Median Age | 23.2 years |
| Life expectancy | 57.7 years | |
| Population density | 21.1 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2018 | 12,919,000 | 343,000 (2.7%) | 30,000 | 23.2 | 4.70 | 21 | 2,522,000 (19.5%) |
| 2017 | 12,576,000 | 345,270 (2.8%) | 30,000 | 23.1 | 4.78 | 21 | 2,423,000 (19.3%) |
| 2016 | 12,230,730 | 348,594 (2.9%) | 30,000 | 23.1 | 4.86 | 20 | 2,327,508 (19.0%) |
| 2015 | 11,882,136 | 351,165 (3.0%) | 30,000 | 23.0 | 4.94 | 19 | 2,234,317 (18.8%) |
| 2010 | 10,067,192 | 396,525 (3.9%) | 85,000 | 22.7 | 5.38 | 17 | 1,797,497 (17.9%) |
| 2005 | 8,108,877 | 321,222 (4.0%) | 157,000 | 22.4 | 5.80 | 13 | 1,390,997 (17.2%) |
| 2000 | 6,700,656 | 294,792 (4.4%) | 86,400 | 22.3 | 6.22 | 11 | 1,105,876 (16.5%) |
| 1995 | 5,459,519 | 27,781 (0.5%) | 80,000 | 22.3 | 6.55 | 9 | 866,589 (15.9%) |
| 1990 | 5,768,481 | -9,017 (-0.2%) | -215,200 | 22.4 | 6.76 | 9 | 765,824 (13.3%) |
| 1985 | 5,450,424 | 130,815 (2.4%) | -81,000 | 22.4 | 6.81 | 9 | 536,540 (9.8%) |
| 1980 | 4,705,224 | 135,801 (2.9%) | 30,000 | 22.4 | 6.85 | 8 | 400,838 (8.5%) |
| 1975 | 4,119,438 | 102,363 (2.5%) | 12,000 | 22.4 | 6.92 | 7 | 353,283 (8.6%) |
| 1970 | 3,647,709 | 83,244 (2.3%) | 5,000 | 22.5 | 6.88 | 6 | 314,907 (8.6%) |
| 1965 | 3,263,638 | 67,525 (2.1%) | 22.7 | 6.80 | 5 | 283,610 (8.7%) | |
| 1960 | 2,955,152 | 55,958 (1.9%) | 22.8 | 6.72 | 5 | 258,517 (8.7%) |
In 2017 the population of South Sudan was 12,576,000 and the average age increased from 22.8 in 1960 to 23.1. Urban population has increased from 1,105,876 (16.5%) in 2000 to 2,522,000 (19.5%) in the current year. The population density of South Sudan has changed from 7.7 in 1980 to 20.0 in 2016.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 13,610,000 | 347,000 (2.6%) | 10,000 | 23.4 | 4.54 | 22 | 2,730,000 (20.1%) |
| 2025 | 15,395,000 | 363,000 (2.4%) | 23.9 | 4.18 | 25 | 3,333,000 (21.6%) | |
| 2030 | 17,254,000 | 377,000 (2.2%) | -5,000 | 24.5 | 3.85 | 28 | 4,073,000 (23.6%) |
| 2035 | 19,183,000 | 392,000 (2.0%) | -5,000 | 25.3 | 3.57 | 31 | 4,975,000 (25.9%) |
| 2040 | 21,189,000 | 407,000 (1.9%) | -5,000 | 26.1 | 3.32 | 35 | 6,031,000 (28.5%) |
| 2045 | 23,257,000 | 418,000 (1.8%) | -5,000 | 26.9 | 3.11 | 38 | 7,241,000 (31.1%) |
| 2050 | 25,366,000 | 424,000 (1.7%) | -5,000 | 27.8 | 2.94 | 42 | 8,609,000 (33.9%) |
Total South Sudan population should reach 13,610,000 by 2020 and should increase to 25,366,000 people by year 2050. The life expectancy at birth should reach 68.5 (66.8 years for male and 70.4 years for females). Population density will go up to 41.5 people per square kilometer.
The population growth rate is 2.73% (345,270 residents, including 134,533 deaths). The demographics of South Sudan constitutes of 6,444,000 women and 6,475,000 men, which means there are 1,005 men per 1000 women. As far as age distribution goes, 52.3% of population (6,752,761) is 19 or younger, 44.3% of population (5,724,409) is between age 20 and 64 and 3.4% of population (444,414) is over 65.