TABLE 2.
Estimated hearing impairment prevalence (all-ages and age-standardized), prevalent cases, and YLDs by severity in 2019, with 95% uncertainty intervals
| Severity | Prevalence, All Ages (%) | Prevalence, Age Standardized (%) | Prevalent Cases | YLDs |
|---|---|---|---|---|
| Mild hearing loss | 14.3 (13.4–15.3) |
9.9 (9.3–10.5) |
46.85 million (43.88–50.07) |
597,200 (310,300–1.04 million) |
| Moderate hearing loss | 5.6 (4.8–6.3) |
3.3 (2.9–3.8) |
18.22 million (15.85 – 20.62) |
622,400 (394,200–909,300) |
| Moderately severe hearing loss | 1.5 (1.3–1.8) |
0.9 (0.8–1.1) |
5.02 million (4.14–6.06) |
467,100 (314,100–648,100) |
| Severe hearing loss | 0.3 (0.2–0.4) |
0.2 (0.2–0.2) | 985,400 (764,700–1.26 million) |
161,600 (104,800–230,200) |
| Profound hearing loss | 0.3 (0.2–0.3) |
0.2 (0.1–0.2) |
837,600 (652,500–1.07 million) |
173,500 (113,000–252,100) |
| Complete hearing loss | 0.3 (0.2–0.4) |
0.2 (0.2–0.2) |
962,500 (775,500–1.18 million) |
215,500 (139,700–309,600) |