Retrospective Study
Copyright ©The Author(s) 2025.
World J Psychiatry. Jan 19, 2025; 15(1): 101750
Published online Jan 19, 2025. doi: 10.5498/wjp.v15.i1.101750
Table 1 Comparison of prevalence, incidence, and disability-adjusted life years for mental disorders over the specified years in the Western Pacific region (1990, 2019, and 2021)
1990
2019
2021
Number, in millions (95%UI)
Age-standardised rate per 100000 (95%UI)
Number, in millions (95%UI)
Age-standardised rate per 100000 (95%UI)
Number, in millions (95%UI)
Age-standardised rate per 100000 (95%UI)
All mental disorders
    Prevalence174.40 (160.17, 189.84)11245.56 (10378.24, 12175.34)220.18 (205.57, 235.18)10907.04 (10122.23, 11735.19)234.90 (219.04, 252.50)11479.42 (10651.52, 12422.04)
    Incidence54.50 (49.38, 61.53)3528.01 (3202.83, 3942.15)71.54 (65.12, 79.64)3414.98 (3113.25, 3782.82)75.67 (68.01, 84.56)3574.89 (3236.54, 4018.22)
    DALYs22.8 (17.22, 28.79)1471.73 (1112.56, 1854.35)30.16 (22.94, 38.14)1440.00 (1092.79, 1821.63)32.07 (24.50, 40.68)1517.45 (1159.48, 1910.43)
Depressive disorders
    Prevalence43.71 (39.52, 48.73)2929.95 (2655.17, 3247.59)65.15 (58.73, 72.48)2793.41 (2517.00, 3108.16)69.26 (62.30, 76.93)2923.94 (2625.80, 3251.37)
    Incidence39.77 (35, 46.1)2598.99 (2290.13, 2990.86)55.79 (49.68, 63.34)2454.73 (2185.42, 2800.35)58.50 (51.22, 67.61)2547.84 (2238.25, 2950.88)
    DALYs6.96 (4.81, 9.40)458.71 (319.61, 620.71)9.97 (7.06, 13.45)433.33 (305.24, 587.40)10.53 (7.47, 14.20)452.26 (317.33, 611.00)
Anxiety disorders
    Prevalence51.86 (44.47, 60.53)3323.29 (2869.51, 3842.55)62.72 (54.8, 71.59)3108.83 (2682.97, 3581.50)72.93 (62.75, 84.9)3568.44 (3039.14, 4146.63)
    Incidence8.20 (6.75, 10.01)521.81 (437.49, 626.19)9.48 (8.05, 11.26)504.11 (428.16, 598.12)10.74 (8.97, 12.84)566.45 (472.32, 689.88)
    DALYs6.26 (4.33, 8.66)398.43 (277.88, 545.80)7.47 (5.18, 10.18)374.16 (261.67, 512.11)8.67 (6, 11.8)429.03 (297.18, 586.77)
Bipolar disorder
    Prevalence3.73 (3.11, 4.45)240.96 (202.85, 284.04)5.15 (4.36, 6.06)237.06 (198.68, 281.15)5.20 (4.40, 6.10)237.76 (199.23, 282.11)
    Incidence0.27 (0.23, 0.32)16.91 (14.29, 19.90)0.33 (0.27, 0.38)17.14 (14.47, 20.31)0.33 (0.28, 0.39)17.17 (14.49, 20.34)
    DALYs0.81 (0.53, 1.18)52.08 (34.49, 74.97)1.11 (0.73, 1.59)51.48 (33.53, 74.15)1.12 (0.73, 1.60)51.56 (33.46, 74.24)
Schizophrenia
    Prevalence4.60 (3.93, 5.32)298.37 (256.83, 342.64)6.85 (5.91, 7.87)304.42 (260.01, 351.49)6.95 (5.99, 7.96)307.88 (264.08, 355.09)
    Incidence0.32 (0.27, 0.37)17.79 (15.24, 20.76)0.32 (0.28, 0.38)17.84 (15.23, 20.82)0.32 (0.27, 0.38)18.01 (15.35, 21.05)
    DALYs3.00 (2.26, 3.79)193.79 (145.98, 243.81)4.44 (3.32, 5.59)198.56 (148.64, 250.44)4.50 (3.33, 5.66)200.62 (149.43, 253.12)
Autism spectrum disorders
    Prevalence11.28 (9.43, 13.32)723.29 (604.16, 853.80)14.05 (11.79, 16.64)748.52 (627.48, 885.53)14.16 (11.86, 16.79)750.54 (628.69, 888.95)
    Incidence0.24 (0.20, 0.28)16.05 (13.43, 18.95)0.16 (0.14, 0.19)16.35 (13.73, 19.24)0.14 (0.12, 0.17)16.63 (13.99, 19.62)
    DALYs2.13 (1.45, 3.00)136.28 (92.89, 191.47)2.63 (1.80, 3.71)141.41 (96.47, 198.96)2.65 (1.80, 3.74)141.71 (96.57, 199.53)
Conduct disorder
    Prevalence7.87 (5.75, 10.13)482.34 (352.84, 622.11)6.57 (4.76, 8.42)504.21 (365.43, 645.59)6.79 (4.92, 8.70)503.13 (364.50, 644.47)
    Incidence2.65 (1.91, 3.43)173.58 (124.85, 224.88)2.34 (1.68, 3.01)180.36 (129.20, 231.90)2.45 (1.75, 3.16)179.86 (128.78, 231.42)
    DALYs0.96 (0.53, 1.51)59.11 (32.22, 93.31)0.81 (0.44, 1.27)62.00 (33.97, 97.24)0.84 (0.46, 1.32)61.86 (33.92, 97.46)
ADHD
    Prevalence29.83 (22.17, 40.79)1785.18 (1334.76, 2442.93)28.48 (21.72, 38.41)1829.75 (1383.51, 2480.11)29.22 (22.21, 39.65)1863.86 (1405.63, 2569.10)
    Incidence1.36 (0.93, 2.02)92.37 (63.46, 137.33)1.37 (0.95, 1.99)106.57 (73.41, 154.57)1.42 (0.97, 2.06)107.03 (73.19, 155.09)
    DALYs0.36 (0.19, 0.59)21.78 (11.73, 35.57)0.35 (0.19, 0.56)22.38 (12.20, 36.00)0.36 (0.20, 0.57)22.79 (12.72, 36.59)
Eating disorders
    Prevalence2.13 (1.58, 2.82)118.45 (88.81, 156.14)2.89 (2.19, 3.80)168.81 (127.36, 222.30)2.92 (2.21, 3.83)174.79 (131.16, 231.38)
    Incidence1.70 (1.15, 2.45)90.52 (62.49, 130.38)1.74 (1.23, 2.45)117.87 (81.37, 167.86)1.77 (1.25, 2.48)121.91 (84.01, 173.93)
    DALYs0.46 (0.27, 0.72)25.45 (15.48, 39.70)0.62 (0.39, 0.97)36.40 (22.39, 56.83)0.63 (0.39, 0.98)37.67 (23.00, 58.73)
Idiopathic developmental intellectual disability
    Prevalence8.01 (3.10, 13.37)500.34 (192.85, 838.15)5.62 (1.72, 10.03)330.38 (105.44, 580.28)5.49 (1.66, 9.82)323.19 (100.60, 568.37)
    IncidenceNANANANANANA
    DALYs0.33 (0.11, 0.65)20.64 (6.60, 40.83)0.25 (0.07, 0.49)14.39 (4.25, 28.87)0.24 (0.07, 0.49)14.09 (4.10, 28.43)
Other mental disorders
    Prevalence20.4 (15.93, 25.38)1419.98 (1113.87, 1753.02)33.79 (26.69, 41.96)1422.88 (1116.32, 1758.21)34.41 (27.23, 42.70)1424.19 (1117.53, 1759.91)
    Incidence0 (0, 0)0 (0, 0)0 (0, 0)0 (0, 0)0 (0, 0)0 (0, 0)
    DALYs1.53 (0.97, 2.31)105.45 (67.29, 160.16)2.50 (1.62, 3.78)105.88 (68.05, 160.85)2.54 (1.64, 3.83)105.87 (67.79, 160.70)