Global distribution of the nephrology workforce, per million population (pmp)
| Category | Nephrologist density | Nephrology trainee density | ||||
| Total no of respondent countries | Median | IQR | Total no of respondent countries | Median | IQR | |
| Overall | 152 | 9.95 | (1.23–22.72) | 144 | 1.42 | (0.35–3.70) |
| ISN region | ||||||
| Africa | 39 | 0.62 | (0.24–1.56) | 35 | 0.36 | (0.06–0.92) |
| Eastern and Central Europe | 19 | 25.63 | (15.54–36.73) | 19 | 3.26 | (1.56–4.42) |
| Latin America and the Caribbean | 18 | 9.76 | (8.73–19.73) | 18 | 1.37 | (0.84–3.18) |
| Middle East | 11 | 8.08 | (4.97–15.87) | 11 | 1.82 | (0.72–2.86) |
| NIS and Russia | 8 | 14.41 | (6.62–22.33) | 7 | 1.60 | (0.46–3.25) |
| North America | 9 | 18.13 | (15.33–29.46) | 8 | 0.00* | (0.00–1.74) |
| North and East Asia | 7 | 19.45 | (9.67–54.60) | 7 | 3.22 | (1.94–5.94) |
| Oceania and Southeast Asia | 14 | 5.66 | (1.08–16.59) | 15 | 1.08 | (0.30–4.51) |
| South Asia | 7 | 1.15 | (0.63–1.39) | 6 | 0.29 | (0.15–0.62) |
| Western Europe | 20 | 24.36 | (18.07–29.91) | 18 | 5.80 | (3.73–8.03) |
| World Bank income level | ||||||
| Low | 21 | 0.24 | (0.17–0.48) | 17 | 0.11 | (0.00–0.48) |
| Lower-middle | 35 | 1.58 | (0.88–5.67) | 36 | 0.57 | (0.21–1.60) |
| Upper-middle | 40 | 10.81 | (5.08–17.03) | 37 | 1.19 | (0.77–2.60) |
| High | 56 | 23.15 | (16.68–30.91) | 54 | 3.83 | (1.81–7.30) |
Density of nephrologists and nephrology trainees calculated by taking the total number of nephrologists or nephrology trainees provided by each country and dividing it by each country’s population, grouped by ISN region and World Bank income group.
*Although the median number is 0 for this region, the average number of nephrology trainees is 2.8 pmp.
ISN, International Society of Nephrology; NIS, Newly Independent States.