Incidence rate per 100 000 population
| Age group | Pneumococcal sepsis and pneumonia (UK) | CI | Pneumococcal pneumonia (USA) |
| >1 month | 59.7 | 50.8 to 64.8 | |
| 1–11 months | 23.4 | 21.7 to 25.2 | |
| 0–2 years | 26.2 | ||
| 1–4 years | 9.9 | 9.4 to 10.4 | |
| 2–4 years | 27.2 | ||
| 5–9 years | 1.8 | 1.6 to 2 | |
| 5–17 years | 3.5 | ||
| 10–14 years | 0.8 | 0.7 to 1 |