Table.
Mean haemoglobin concentration and anaemia prevalence by region in 1995 and 2011
|
1995 |
2011 | |||||
|---|---|---|---|---|---|---|
| Mean haemoglobin (g/L) | Anaemia (%) | Severe anaemia (%) | Mean haemoglobin (g/L) | Anaemia (%) | Severe anaemia (%) | |
| Children aged <5 years | ||||||
| High-income regions | 123 (120–124) | 11% (7–17) | 0·3% (0·0–1·1) | 123 (119–125) | 11% (6–20) | 0·1% (0·0–0·5) |
| Central and eastern Europe | 116 (109–122) | 29% (15–47) | 1·4% (0·2–5·1) | 117 (111–123) | 26% (13–45) | 0·2% (0·0–1·1) |
| East and southeast Asia | 118 (115–120) | 29% (22–37) | 0·9% (0·5–1·5) | 118 (113–123) | 25% (16–38) | 0·2% (0·1–0·6) |
| Oceania | 111 (102–118) | 42% (23–64) | 2·0% (0·2–7·7) | 112 (105–120) | 43% (21–65) | 0·5% (0·0–2·6) |
| South Asia | 100 (96–105) | 70% (59–78) | 5·9% (3·0–9·1) | 106 (102–111) | 58% (44–69) | 2·1% (0·8–4·4) |
| Central Asia, Middle East, and north Africa | 111 (108–114) | 43% (35–53) | 1·5% (0·6–3·0) | 114 (110–118) | 38% (25–51) | 0·4% (0·1–1·2) |
| Central and west Africa | 95 (92–98) | 80% (74–84) | 9·7% (7·4–12·1) | 100 (99–102) | 71% (67–74) | 4·9% (3·8–6·2) |
| East Africa | 96 (93–100) | 74% (65–81) | 10·2% (7·7–12·6) | 107 (105–108) | 55% (50–59) | 2·5% (1·8–3·6) |
| Southern Africa | 116 (111–119) | 30% (21–42) | 1·1% (0·3–2·3) | 110 (105–116) | 46% (31–62) | 0·9% (0·3–2·4) |
| Andean and central Latin America and Caribbean | 113 (110–116) | 38% (30–46) | 1·4% (0·8–2·4) | 116 (113–118) | 33% (28–40) | 0·4% (0·2–0·7) |
| Southern and tropical Latin America | 117 (106–124) | 28% (11–55) | 1·3% (0·0–6·2) | 119 (112–124) | 23% (10–41) | 0·2% (0·0–1·1) |
| Globe | 109 (107–111) | 47% (43–51) | 3·7% (2·8–4·7) | 111 (110–113) | 43% (38–47) | 1·5% (1·1–2·2) |
| Non-pregnant women aged 15–49 years | ||||||
| High-income regions | 131 (129–132) | 14% (12–18) | 0·6% (0·3–1·1) | 130 (128–132) | 16% (12–22) | 0·5% (0·2–1·0) |
| Central and eastern Europe | 129 (124–134) | 23% (13–37) | 0·9% (0·3–2·2) | 128 (123–132) | 22% (13–37) | 0·5% (0·2–1·4) |
| East and southeast Asia | 126 (123–128) | 29% (22–39) | 1·0% (0·6–1·7) | 129 (124–133) | 21% (12–36) | 0·5% (0·2–1·2) |
| Oceania | 123 (115–130) | 37% (21–56) | 2·8% (0·8–6·9) | 126 (119–132) | 28% (14–47) | 1·8% (0·4–5·2) |
| South Asia | 117 (113–121) | 53% (42–64) | 3·8% (2·3–5·8) | 119 (115–124) | 47% (33–59) | 2·4% (1·0–4·6) |
| Central Asia, Middle East, and north Africa | 123 (120–126) | 38% (31–45) | 2·0% (1·2–3·2) | 125 (121–129) | 33% (23–43) | 1·0% (0·5–2·1) |
| Central and west Africa | 118 (114–123) | 52% (39–61) | 2·8% (1·8–4·1) | 119 (115–123) | 48% (37–58) | 2·2% (1·4–4·0) |
| East Africa | 123 (120–127) | 40% (33–47) | 2·7% (1·8–3·8) | 128 (126–131) | 28% (23–34) | 1·4% (1·0–1·9) |
| Southern Africa | 124 (119–130) | 33% (21–47) | 2·0% (0·7–4·5) | 128 (122–134) | 28% (16–44) | 1·2% (0·5–2·9) |
| Andean and central Latin America and Caribbean | 126 (123–129) | 30% (24–37) | 1·7% (1·1–2·7) | 131 (128–134) | 19% (14–26) | 0·7% (0·4–1·2) |
| Southern and tropical Latin America | 129 (120–137) | 22% (9–46) | 1·2% (0·2–3·7) | 130 (122–138) | 18% (7–41) | 0·7% (0·1–2·5) |
| Globe | 125 (123–126) | 33% (29–37) | 1·8% (1·3–2·3) | 126 (124–128) | 29% (24–35) | 1·1% (0·7–1·7) |
| Pregnant women aged 15–49 years | ||||||
| High-income regions | 119 (116–121) | 23% (18–30) | 0·5% (0·1–1·1) | 119 (117–122) | 22% (16–29) | 0·2% (0·0–0·4) |
| Central and eastern Europe | 117 (111–124) | 30% (17–47) | 0·9% (0·2–2·2) | 119 (113–125) | 24% (14–40) | 0·3% (0·1–0·9) |
| East and southeast Asia | 115 (112–117) | 34% (28–43) | 1·3% (0·7–2·0) | 119 (114–123) | 25% (17–38) | 0·4% (0·1–1·0) |
| Oceania | 110 (104–117) | 48% (31–63) | 2·8% (0·8–5·9) | 115 (107–124) | 36% (18–59) | 1·1% (0·2–3·2) |
| South Asia | 108 (104–111) | 53% (43–63) | 2·9% (1·8–4·4) | 108 (105–113) | 52% (40–63) | 1·3% (0·7–2·4) |
| Central Asia, Middle East, and north Africa | 114 (111–117) | 37% (30–46) | 1·1% (0·5–2·0) | 117 (113–120) | 31% (22–42) | 0·4% (0·1–0·8) |
| Central and west Africa | 105 (103–109) | 61% (53–66) | 3·3% (2·2–4·7) | 108 (105–111) | 56% (46–62) | 1·8% (1·1–3·2) |
| East Africa | 111 (109–114) | 46% (41–52) | 2·9% (1·9–4·1) | 116 (113–118) | 36% (30–41) | 1·2% (0·8–1·7) |
| Southern Africa | 117 (110–124) | 34% (21–51) | 1·2% (0·4–2·7) | 118 (111–124) | 31% (20–48) | 0·4% (0·2–0·9) |
| Andean and central Latin America and Caribbean | 115 (112–118) | 37% (30–44) | 1·4% (0·8–2·3) | 119 (116–122) | 27% (21–34) | 0·3% (0·2–0·6) |
| Southern and tropical Latin America | 115 (106–125) | 37% (18–60) | 1·3% (0·2–3·8) | 117 (108–127) | 31% (13–56) | 0·5% (0·1–1·7) |
| Globe | 112 (111–113) | 43% (39–47) | 2·0% (1·5–2·6) | 114 (112–116) | 38% (34–43) | 0·9% (0·6–1·3) |
Numbers in parentheses are 95% credibility intervals. Appendix pp 25–30 show mean haemoglobin and anaemia prevalence by country, and appendix pp 32–222 show estimated trends over time and comparisons with original country data.