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Table 1. Descriptive Analysis of the Burden of Suicide Among Men between 1980 and 2021 in Japan.

From: Age-Period-Cohort Analysis of Suicide Mortality in Japan: A 40-Year Nationwide and Prefectural-Level Study

Number of Death % of suicide death among all-cause death CMR per 100,000 ASMR per 100,000 AAPC of ASMR, 1990-2021
1980 1990 2000 2021 1980 1990 2000 2021 1980 1990 2000 2021 1980 1990 2000 2021 % 95% CI
Japan 14,065 14,160 23,039 15,678 3.64 3.21 4.37 2.12 23.89 30.62 36.46 25.20 23.32 25.48 27.67 18.86 −4.08 −6.21 to −1.94
Akita 206 219 325 167 4.21 4.06 5.09 2.21 33.38 36.56 56.43 36.62 30.43 29.31 40.36 26.24 −10.5 −18.96 to −1.12
Aomori 231 223 347 193 4.16 3.61 4.72 2.04 30.59 27.21 48.24 32.82 29.86 22.61 36.35 24.60 −7.74 −17.13 to 0.80
Miyazaki 192 178 268 167 4.22 3.73 5.02 2.33 34.07 26.02 47.58 32.72 32.56 22.28 36.34 23.74 −12.6 −21.28 to −1.35
Saga 110 104 171 113 3.09 2.76 4.09 2.22 26.10 20.19 40.43 28.94 24.38 18.03 31.59 23.36 12.14 0.31-25.35
Shimane 142 132 179 110 3.81 3.45 4.22 2.19 36.65 23.21 48.20 33.34 32.63 20.20 35.92 23.10 −15.4 −23.43 to −6.14
Yamagata 170 166 243 155 3.32 3.06 3.82 2.03 27.41 24.79 39.56 29.72 25.23 20.94 29.46 22.97 5.92 −4.84 to 17.22
Nagasaki 213 196 295 193 3.36 2.99 4.12 2.12 27.41 29.64 40.49 30.98 26.62 24.52 31.68 22.91 2.81 −7.15 to 13.17
Kagoshima 282 264 362 232 3.56 3.26 4.02 2.14 32.77 21.58 42.23 30.65 30.63 18.44 32.13 22.74 −10.8 −18.86 to −3.00
Hokkaidō 721 685 1,134 724 3.98 3.32 4.60 2.10 25.76 20.17 41.07 29.04 25.20 17.83 31.29 22.73 7.2 −0.46 to 14.95
Niigata 338 364 567 327 3.66 3.68 4.77 2.14 27.62 28.84 46.25 30.39 26.13 27.80 34.14 22.34 −8.88 −16.61 to −0.56
Fukushima 238 236 394 267 3.02 2.78 3.84 2.08 23.43 23.27 37.12 29.31 22.25 20.03 29.07 22.19 13.57 4.87-23.66
Ibaraki 287 293 533 400 3.21 2.89 4.23 2.24 22.06 33.39 35.13 27.59 21.47 27.26 27.20 22.10 23.91 14.81-33.16
Okinawa 160 176 282 214 5.35 5.20 6.48 3.02 28.67 18.00 42.86 28.92 30.44 16.89 36.82 21.76 −21.7 −29.47 to −14.64
Yamanashi 100 106 165 115 3.08 3.02 4.09 2.15 24.95 24.29 37.01 28.71 23.46 21.46 28.15 21.65 3.39 −6.21 to 14.47
Gunma 228 231 363 273 3.53 3.22 4.12 2.19 24.46 24.61 35.65 28.09 23.34 21.20 27.27 21.29 6.31 −1.74 to 16.22
Iwate 237 233 339 184 4.45 3.92 4.92 2.10 33.51 23.33 48.76 31.29 31.65 19.51 36.81 21.26 −22 −29.07 to −14.24
Wakayama 149 154 219 129 3.27 3.16 4.06 1.95 27.80 27.46 42.33 29.42 25.18 22.03 31.48 21.09 −11.7 −20.48 to −2.07
Kōchi 143 125 170 96 3.54 3.15 3.91 1.88 35.15 18.54 43.34 28.99 31.23 16.66 31.84 21.07 −17 −25.54 to −6.85
Yamaguchi 231 209 312 187 3.44 2.95 3.92 1.98 29.78 25.65 42.30 29.12 27.79 21.06 31.36 20.98 −4.78 −12.73 to 4.34
Tottori 83 86 115 74 3.23 3.07 3.70 1.98 27.97 29.39 38.44 27.52 25.47 23.87 29.45 20.93 −10.7 −20.89 to −0.94
Miyagi 230 256 432 299 3.48 3.33 4.55 2.29 21.91 22.90 36.56 26.28 21.20 18.63 28.83 20.48 2.45 −6.46 to 12.01
Ehime 207 200 279 178 3.35 3.03 3.73 1.93 28.11 26.66 38.76 27.70 26.40 23.01 29.29 20.42 −9.66 −19.03 to −1.17
Tokushima 114 95 132 93 3.11 2.54 3.20 1.77 28.21 20.61 32.98 26.93 25.76 17.62 24.66 20.18 4.88 −5.80 to 16.41
Hyōgo 650 610 995 676 3.70 3.05 4.36 2.15 25.33 22.05 36.54 25.67 25.11 18.92 27.69 20.11 2.21 −4.86 to 8.83
Toyama 143 144 220 140 3.47 3.12 4.15 2.01 26.28 26.76 39.89 27.49 24.51 21.69 28.85 20.04 −5.42 −14.40 to 6.41
Ōita 161 153 226 139 3.13 2.87 3.83 1.91 26.93 30.82 38.56 25.77 24.83 26.67 28.86 19.79 −6.06 −14.42 to 4.09
Kumamoto 224 224 326 220 3.10 2.96 3.91 1.99 25.73 20.83 36.33 26.32 24.22 17.46 27.91 19.69 −7.05 −14.63 to 1.39
Shizuoka 382 359 605 464 3.47 2.86 3.91 2.08 21.99 23.53 31.93 25.59 21.73 19.25 23.95 19.61 17.33 8.61-27.73
Fukuoka 589 626 981 634 3.68 3.45 4.74 2.29 26.21 21.45 40.38 25.67 25.65 18.12 31.03 19.42 −15.6 −21.96 to −8.75
Tochigi 216 228 363 254 3.38 3.17 4.27 2.16 23.79 26.20 35.76 26.02 23.19 21.19 27.54 19.33 −4.29 −12.12 to 3.61
Hiroshima 347 345 501 341 3.51 3.14 3.92 2.16 25.38 22.90 35.33 24.79 24.62 19.67 26.61 19.00 −8.98 −16.14 to −1.50
Nagano 236 246 392 257 2.90 2.81 3.81 1.98 22.86 19.99 35.54 25.30 21.21 17.45 27.03 18.84 1.11 −8.15 to 10.86
Okayama 217 211 306 218 2.91 2.60 3.41 1.89 23.45 24.55 32.09 23.68 21.70 20.83 24.19 18.71 1.78 −9.27 to 12.68
Ōsaka 1,060 1,063 1,809 1,078 4.30 3.63 5.23 2.08 24.71 17.91 41.37 25.09 25.49 16.21 30.70 18.70 −12.9 −18.14 to −7.13
Gifu 215 220 353 247 3.15 2.95 3.89 1.99 21.98 24.40 33.80 25.36 22.06 20.88 25.76 18.61 2.68 −6.58 to 12.64
Chiba 470 511 992 774 3.80 3.26 4.72 2.20 19.32 22.87 32.75 24.41 20.16 18.81 24.86 18.37 13.36 4.83-22.33
Kagawa 114 117 171 115 2.99 2.67 3.51 1.89 23.25 25.17 34.15 24.69 21.43 21.18 26.18 18.20 −6.74 −16.89 to 4.65
Shiga 109 124 203 154 2.87 2.95 4.10 2.27 20.22 19.41 30.08 21.82 19.77 16.71 23.80 17.52 −2.78 −14.18 to 7.99
Nara 129 135 213 149 3.22 2.87 3.88 1.83 21.57 22.21 30.29 23.60 21.20 18.38 23.21 17.32 −0.73 −9.94 to 10.74
Mie 188 185 296 216 2.95 2.58 3.62 1.92 22.42 31.58 32.16 24.70 21.33 27.17 24.69 17.26 −1.09 −10.48 to 9.33
Saitama 541 595 1,080 856 4.14 3.50 4.77 2.09 19.32 34.42 30.34 23.07 21.26 27.29 23.37 17.00 0.64 −6.40 to 7.47
Kanagawa 688 772 1,382 1,043 4.14 3.52 4.73 2.19 19.09 31.39 31.58 22.37 20.34 25.38 24.21 16.79 0.8 −6.19 to 7.99
Kyōto 291 278 485 270 3.40 2.90 4.32 1.84 22.99 22.70 37.43 21.69 22.09 19.99 27.75 16.77 −9.02 −17.27 to 0.52
Ishikawa 123 127 202 127 3.26 2.90 3.93 1.89 22.14 22.89 34.74 22.82 21.18 19.66 26.38 16.73 −11.6 −19.76 to −1.86
Fukui 88 94 141 88 3.13 2.86 3.73 1.78 22.44 22.53 34.25 23.21 20.83 19.54 25.34 16.43 −12.7 −21.74 to −1.18
Aichi 610 621 1,093 826 3.58 3.07 4.30 2.12 19.18 18.15 30.59 21.64 20.00 16.46 23.90 16.37 −0.55 −8.41 to 6.52
Tōkyō 1,262 1,240 2,079 1,503 3.95 3.20 4.45 2.26 21.19 28.44 34.13 21.39 20.73 23.44 25.42 16.10 −8.64 −14.33 to −2.38
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Table 2. Descriptive Analysis of the Burden of Suicide Among Women between 1980 and 2021 in Japan.

From: Age-Period-Cohort Analysis of Suicide Mortality in Japan: A 40-Year Nationwide and Prefectural-Level Study

Number of Death % of suicide death among all-cause death CMR per 100,000 ASMR per 100,000 AAPC of ASMR, 1990-2021
1980 1990 2000 2021 1980 1990 2000 2021 1980 1990 2000 2021 1980 1990 2000 2021 % 95% CI
Japan 8,693 8,727 9,279 6,626 2.65 2.35 2.12 0.95 14.34 15.00 14.10 10.12 13.04 10.81 9.97 7.56 −27.74 −29.50 to −25.96
Akita 130 142 142 76 3.20 3.12 2.61 0.85 19.55 21.69 22.25 15.00 16.56 14.69 13.85 9.41 −35.99 −42.77 to −29.14
Iwate 151 159 146 83 3.42 3.18 2.54 0.91 20.21 13.64 19.53 13.23 17.63 9.83 12.56 9.12 −39.54 −46.52 to −32.69
Tochigi 153 161 166 110 2.76 2.62 2.35 1.00 16.57 17.15 16.15 11.33 14.88 12.31 11.44 8.82 −30.16 −36.48 to −23.14
Fukushima 157 170 162 104 2.27 2.36 1.90 0.83 14.67 16.42 14.62 11.16 12.76 12.32 10.10 8.71 −23.16 −30.49 to −14.61
Ōsaka 618 583 684 533 3.09 2.43 2.47 1.19 14.21 11.40 14.98 11.44 14.22 9.57 10.92 8.69 −17.55 −23.14 to −11.74
Hokkaidō 394 376 424 317 2.83 2.38 2.25 0.94 13.61 13.38 14.10 11.40 13.05 10.54 9.82 8.64 −12.63 −19.46 to −5.52
Yamagata 122 115 111 66 2.68 2.32 1.92 0.79 18.50 14.37 16.92 11.94 14.91 10.62 10.77 8.54 −26.82 −36.20 to −18.61
Niigata 282 282 269 141 3.49 3.24 2.69 0.91 21.95 10.15 20.77 12.41 18.41 9.06 12.66 8.49 −42.22 −47.95 to −35.67
Aomori 119 125 128 78 2.68 2.47 2.12 0.83 14.73 14.39 16.18 11.87 13.49 10.57 11.12 8.45 −28.85 −36.59 to −20.34
Tōkyō 742 730 900 744 2.84 2.33 2.39 1.23 12.70 14.68 14.77 10.23 11.88 10.34 10.69 8.31 −14.24 −19.39 to −8.52
Ehime 116 117 115 70 2.23 2.06 1.75 0.75 14.43 12.63 14.36 9.93 12.15 9.70 9.85 8.02 −24.12 −31.57 to −15.99
Saitama 330 391 455 383 3.10 2.86 2.57 1.14 12.07 18.06 13.04 10.22 12.91 12.13 9.79 7.97 −25.13 −30.84 to −18.74
Miyagi 143 156 164 125 2.46 2.48 2.15 0.98 13.25 16.35 13.39 10.47 12.26 11.47 9.50 7.97 −24.3 −31.77 to −16.04
Nara 91 90 94 72 2.57 2.14 1.92 0.94 14.34 12.65 12.30 10.23 13.09 9.13 8.81 7.86 −19.88 −27.63 to −11.20
Nagano 170 185 177 107 2.35 2.36 1.96 0.81 15.51 12.38 15.33 10.10 12.87 9.81 10.32 7.83 −31.74 −37.59 to −25.42
Kōchi 76 67 63 40 2.18 1.87 1.62 0.74 17.17 11.30 14.51 10.87 13.53 9.51 9.54 7.82 −24.1 −33.02 to −14.12
Gunma 171 166 167 111 2.98 2.68 2.28 0.93 17.81 12.64 16.06 11.30 15.85 9.89 10.90 7.76 −36.96 −42.72 to −30.52
Miyazaki 100 97 101 63 2.67 2.43 2.17 0.83 16.30 12.43 16.02 11.17 14.33 9.31 10.59 7.69 −34.1 −40.96 to −26.18
Shimane 82 75 66 39 2.58 2.33 1.91 0.82 19.62 16.22 16.28 11.17 15.36 12.62 11.40 7.64 −37.01 −44.00 to −29.32
Hyōgo 434 391 407 295 2.92 2.30 2.11 0.98 16.19 12.54 13.95 10.18 14.75 9.18 10.01 7.56 −29.03 −35.23 to −23.32
Chiba 278 319 372 313 2.69 2.53 2.24 1.06 11.62 13.71 12.44 9.76 11.89 9.98 9.22 7.55 −21.15 −26.53 to −14.78
Mie 124 127 133 93 2.20 2.00 1.88 0.88 13.93 15.48 13.66 10.23 11.88 11.67 9.39 7.54 −23.09 −31.48 to −14.17
Kanagawa 352 445 539 471 2.68 2.61 2.48 1.13 10.20 15.01 12.73 9.98 10.49 10.31 9.47 7.43 −21.9 −27.24 to −16.83
Toyama 101 102 98 56 2.80 2.56 2.13 0.83 17.37 17.36 16.60 10.44 14.69 11.68 10.83 7.40 −39.87 −46.68 to −32.59
Ibaraki 176 194 208 142 2.33 2.29 2.02 0.87 13.41 21.12 13.64 9.81 12.32 15.09 9.93 7.40 −29.78 −35.78 to −23.07
Wakayama 107 101 94 58 2.65 2.32 1.96 0.90 18.57 14.60 16.38 11.82 15.31 10.28 10.92 7.39 −39.22 −45.94 to −31.89
Fukuoka 328 322 347 258 2.46 2.12 1.93 0.92 13.67 16.06 13.01 9.42 12.16 11.94 9.37 7.09 −26.84 −32.85 to −20.86
Kagawa 83 74 72 50 2.41 1.96 1.60 0.80 15.61 12.69 13.33 10.16 12.71 9.14 8.90 7.08 −27.99 −35.55 to −19.87
Yamaguchi 145 123 126 69 2.61 2.04 1.76 0.69 17.19 13.79 15.33 9.70 14.29 9.85 9.89 7.03 −31.56 −38.82 to −23.97
Gifu 171 174 170 101 2.90 2.69 2.23 0.85 16.66 14.30 15.42 9.81 15.33 10.66 10.52 6.96 −41.69 −46.50 to −36.24
Ōita 99 92 92 52 2.19 1.93 1.72 0.73 14.96 15.68 14.09 8.82 12.64 11.88 9.44 6.87 −30.26 −37.73 to −22.50
Nagasaki 113 105 102 67 2.06 1.83 1.61 0.71 13.34 21.75 12.43 9.59 11.54 14.70 8.88 6.77 −27.24 −34.76 to −18.68
Yamanashi 65 64 62 39 2.35 2.14 1.76 0.81 15.52 12.97 13.58 9.43 13.43 10.53 9.59 6.74 −36.54 −43.19 to −29.23
Okinawa 66 64 77 65 2.37 2.17 2.13 1.05 11.56 12.16 11.38 8.63 11.42 10.65 9.43 6.65 −26.58 −34.49 to −18.35
Kagoshima 166 146 139 79 2.23 1.93 1.68 0.70 17.16 14.67 14.40 9.33 14.20 10.86 9.56 6.64 −38.62 −44.71 to −31.42
Aichi 428 424 468 339 2.94 2.51 2.27 0.97 13.50 12.51 13.12 8.85 13.61 10.26 9.56 6.59 −35.74 −40.02 to −31.04
Kyōto 192 199 192 125 2.52 2.26 1.97 0.90 14.59 13.44 13.85 9.19 12.85 10.52 9.80 6.55 −39.67 −44.98 to −33.70
Saga 60 58 56 38 1.90 1.71 1.49 0.74 13.00 12.94 11.85 8.89 10.96 10.16 8.18 6.45 −28.96 −37.51 to −19.87
Tottori 49 48 44 27 2.22 1.98 1.61 0.67 15.41 17.50 13.38 9.30 12.64 12.16 9.24 6.37 −38.4 −45.81 to −30.59
Tokushima 73 64 57 40 2.37 1.95 1.56 0.69 16.72 12.29 13.01 10.69 13.70 9.69 8.42 6.36 −38.67 −46.26 to −30.55
Shizuoka 217 219 218 160 2.35 2.06 1.70 0.76 12.15 14.45 11.23 8.63 11.18 10.36 7.96 6.19 −30.46 −36.78 to −23.93
Kumamoto 136 126 134 81 2.12 1.83 1.74 0.72 14.14 13.45 13.39 8.73 11.86 9.80 9.39 6.16 −32.59 −39.31 to −25.63
Fukui 60 59 55 35 2.23 1.97 1.68 0.70 14.41 15.48 12.70 8.91 11.98 11.33 8.56 6.07 −39.17 −46.69 to −31.46
Shiga 82 82 81 60 2.41 2.15 1.92 0.92 14.62 11.56 11.78 8.34 12.93 8.90 8.48 5.90 −41.95 −47.92 to −35.81
Hiroshima 230 213 199 125 2.75 2.29 1.89 0.78 16.11 13.83 13.20 8.58 14.16 10.65 9.15 5.80 −45.58 −50.34 to −40.63
Ishikawa 78 77 76 50 2.12 1.95 1.63 0.73 13.19 13.64 12.36 8.45 11.59 10.46 8.41 5.62 −38.77 −44.41 to −31.70
Okayama 133 129 126 74 2.11 1.86 1.62 0.67 13.54 12.30 12.22 7.46 11.30 9.08 8.64 5.36 −41.37 −47.29 to −34.87
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