Table 2 Prevalence estimates of Ascaris infection, and estimated numbers of infected people in 81 countries

20.32 (17.44–23.36)

38,928,346

7,910,231 (6,789,103–9,093,661)

13.11 (4.40–25.43)

32,866,272

4,308,768 (1,446,115–8,357,892)

5.40 (2.75–8.83)

45,195,774

2,440,571 (1,242,883–3,990,786)

16.33 (1.92–40.75)

164,689,383

26,893,776 (3,162,036–67,110,923)

6.76 (5.45–8.19)

12,123,200

819,528 (657,077–992,890)

0.36 (0.01–1.16)

771,608

2778 (77–8950)

2.86 (0.01–10.01)

11,673,021

333,848 (1167–1,168,469)

13.57 (9.42–18.34)

212,559,417

28,844,312 (20,023,097–38,983,397)

0.06 (0.01–0.19)

20,903,273

12,542 (2090–39,716)

14.04 (7.66–21.97)

11,890,784

1,669,466 (910,834–2,612,405)

1.03 (0.02–3.23)

16,718,965

172,205 (3343–540,022)

10.35 (7.69–13.35)

26,545,863

2,747,496 (2,041,376–3,543,872)

64.90 (61.97–67.77)

4,829,767

3,134,518 (2,993,006–3,273,133)

48.19 (32.14–64.43)

16,425,864

7,915,624 (528,980–10,583,184)

3.39 (3.25–3.53)

19,116,201

648,039 (621,276–674,801)

3.99 (3.27–4.77)

1,439,323,776

57,429,018 (47,065,887–68,655,744)

9.74 (5.46–15.05)

50,882,891

4,955,993 (321,205–7,657,875)

0.82 (0.46–1.28)

26,378,274

216,302 (121,340–337,642)

9.44 (2.95–18.89)

11,326,616

1,069,232 (334,135–2,139,598)

14.05 (3.84–29.16)

89,561,403

12,583,377 (3,439,158–26,116,105)

39.58 (24.36–55.91)

17,643,054

6,983,121 (4,297,848–9,864,231)

3.84 (0.67–9.21)

102,334,404

3,929,641 (685,640–9,424,998)

13.46 (12.27–14.69)

114,963,588

15,474,099 (14,106,032–16,888,151)

0.21 (0.13–0.32)

298,682

627 (388–956)

7.98 (2.01–17.27)

2,225,734

177,613 (44,737–384,384)

3.63 (1.30–6.98)

31,072,940

1,127,948 (40,395–2,168,891)

8.10 (5.67–11.13)

13,132,795

1,063,756 (744,629–1,461,680)

0.08 (0.01–0.44)

1,968,001

1574 (196–8659)

23.24 (17.10–30.01)

9,904,607

2,301,830 (1,693,687–2,972,372)

15.88 (9.07–24.14)

1,380,004,385

219,144,696 (125,166,397–333,133,058)

32.02 (20.16–45.17)

273,523,615

87,582,261 (55,142,361–123,550,617)

0.22 (0.02–0.55)

83,992,949

184,784 (16,798–461,961)

0.27 (0.13–0.45)

40,222,493

108,600 (52,289–181,001)

0.38 (0.31–0.47)

10,203,134

38,771 (31,629–47,954)

8.90 (5.66–12.87)

53,771,296

4,785,645 (3,043,455–6,920,365)

0.01 (0.001–0.03)

51,269,185

5127 (512–15,380)

23.14 (20.84–25.57)

6,524,195

1,509,698 (1,359,642–1,668,236)

11.19 (7.34–15.71)

7,275,560

814,135 (534,026–1,142,990)

0.19 (0.10–0.31)

6,825,445

6828 (12,968–21,159)

0.01 (0.001–1.22)

2,142,249

214 (21–26,135)

42.45 (12.12–76.38)

5,057,681

2,146,985 (612,990–3,863,056)

0.50 (0.40–0.61)

6,871,292

34,356 (27,485–41,914)

37.16 (4.63–78.90)

27,691,018

10,289,982 (1,282,094–21,848,213)

30.60 (19.19–43.35)

32,365,999

9,903,995 (6,211,035–14,030,660)

19.65 (6.19–37.96)

128,932,753

25,335,286 (7,980,937–48,942,873)

12.67 (9.12–16.97)

36,910,560

4,676,567 (3,366,243–6,263,722)

16.23 (0.01–52.81)

31,255,435

5,072,757 (3125–16,505,995)

19.04 (7.03–35.11)

54,409,800

10,359,626 (3,825,009–19,103,281)

7.95 (1.81–17.75)

29,136,808

2,316,376 (527,376–5,171,783)

17.44 (8.45–28.80)

6,624,554

1,155,322 (559,774–1,907,871)

23.77 (18.13–29.90)

206,139,589

48,999,380 (37,373,107–61,635,737)

30.09 (14.62–48.32)

220,892,340

66,466,505 (32,294,460–106,691,000)

0.70 (0.01–2.47)

5,101,414

35,709 (510–126,005)

14.01 (7.87–22.37)

4,314,767

604,499 (339,572–965,213)

15.15 (12.43–18.20)

8,947,024

1,355,474 (1,112,115–1,628,358)

12.75 (6.52–20.62)

32,971,854

4,203,911 (2,149,764–6,798,796)

34.69 (27.01–42.79)

109,581,078

38,013,676 (29,597,849–46,889,743)

31.22 (19.30–44.54)

12,952,218

4,043,682 (2,499,778–5,768,918)

17.51 (14.43–20.93)

183,627

32,153 (26,497–38,433)

37.82 (34.47–41.23)

219,159

82,886 (75,544–90,359)

0.77 (0.34–1.34)

34,813,871

268,066 (118,367–466,505)

0.81 (0.54–1.13)

16,743,927

135,625 (90,417–189,206)

4.13 (1.99–6.98)

7,976,983

329,449 (158,742–556,793)

33.96 (3.28–76.10)

686,884

233,265 (22,529–522,718)

0.67 (0.14–1.94)

11,193,725

74,997 (15,671–217,158)

20.12 (14.27–26.70)

59,308,690

11,932,908 (8,463,350–15,835,420)

30.81 (21.75–40.69)

21,413,249

6,597,422 (4,657,381–8,713,051)

9.55 (0.01–33.44)

43,849,260

4,187,604 (4384–14,663,192)

2.24 (1.99–2.50)

9,537,645

213,643 (189,799–238,441)

7.3 (1.83–16.14)

59,734,218

4,360,598 (1,093,136–9,641,102)

3.62 (0.79–8.27)

69,799,978

2,526,759 (551,419–5,772,458)

28.09 (26.44–29.76)

1,318,445

370,351 (348,596–392,369)

0.38 (0.32–0.45)

8,278,724

31,459 (26,492–37,254)

1.04 (0.27–2.26)

84,339,067

877,126 (227,715–1,906,063)

3.46 (2.04–5.22)

45,741,007

1,582,639 (933,116–2,387,680)

0.01 (0.001–0.03)

9,890,402

990 (98–2967)

21.04 (6.87–40.20)

28,435,940

5,982,921 (1,953,549–11,431,248)

25.31 (1.73–63.40)

97,338,579

24,636,394 (1,683,957–61,712,659)

10.36 (4.97–17.37)

29,825,964

3,089,969 (1,482,350–5,180,770)

11.57 (7.64–16.19)

18,383,955

2,127,023 (1,404,534–2,976,362)

5.08 (2.48–8.52)

14,862,924

755,036 (368,600–1,266,321)