| Fiscal year*1 | Number of groups | Source | Population*2 size | Source | Survival rate*3 (excluding infant) | Source | Crude birth rate*4 | Source | Infant survival rate*5 | Source | Mature female rate*6 | Source | Birth rate*7 | Source | Growth rate*8 | Source | SSR*9 | Source | Other factors | Source |
| Before warld war | (4-5) | [9] | (200-300) | [9] | No data | - | No data | - | No data | - | No data | - | No data | - | No data | - | No data | - | ||
| 1962 | 1 | [12] | (60-70) | [12] | ||||||||||||||||
| 1966 | 2 | [13] | (64-70) | [13] | ||||||||||||||||
| 1969 | 2 | [9] | (90-100) | [9] | ||||||||||||||||
| 1980 | 3 | [14] | (71) | [9], [14] | ||||||||||||||||
| 1982 | 4 | [9] | 250 | [9] | 0.700 | [9] | 0.260 | [9] | 0.460 | [9] | 0.323 | [9] | ||||||||
| 1983 | 5 | 270 | 1.036 | [9] | 0.152 | [9] | 0.289 | 0.278 | 0.510 | 0.147 | Shortage of food resource / extreme weather | [9] | ||||||||
| 1984 | 5 | 230 | 0.844 | 0.019 | 0.400 | 0.204 | 0.110 | 0.043 | ||||||||||||
| 1985 | 5 | 200 | 0.717 | 0.222 | 0.686 | 0.300 | 0.850 | 0.583 | ||||||||||||
| 1986 | 5 | 211 | 1.010+ | 0.065+ | 0.692+ | 0.290+ | 0.224+ | 0.155+ | ||||||||||||
| 1987 | 5 | 222 | 0.991+ | 0.081+ | 0.765+ | 0.284+ | 0.283+ | 0.217+ | ||||||||||||
| 1988 | 5 | 237 | 1.005 | 0.095 | 0.667 | 0.308 | 0.290 | 0.192 | ||||||||||||
| 1989 | 5 | 252 | 0.916 | 0.198 | 0.745 | 0.321 | 0.580 | 0.432 | ||||||||||||
| 1990 | 5 | 263 | 1.008 | 0.040 | 0.900 | 0.304 | 0.130 | 0.113 | ||||||||||||
| 1991 | 5 | 265 | 0.905 | 0.118 | 0.871 | No data | - | No data | - | No data | - | |||||||||
| 1992 | 6 | 268 | 0.977 | 0.079 | 0.429 | 0.317 | [9] | 0.250 | [9] | 0.106 | [9] | |||||||||
| 1993 | 6 | 272 | 0.981 | 0.049 | 0.692 | 0.335 | 0.140 | 0.099 | ||||||||||||
| 1994 | 6 | 294 | 0.842 | 0.279 | 0.855 | 0.333 | 0.780 | 0.663 | ||||||||||||
| 1995 | 6 | 285 | 0.949 | 0.031 | 0.667 | 0.298 | [18] | 0.110 | [18] | 0.071 | [18] | 0.79 | [19] | |||||||
| 1996 | 6 | 275 | 0.860 | 0.189 | 0.556 | 0.313 | 0.630 | 0.349 | No data | - | Shortage of food resource / extreme weather | [19] | ||||||||
| 1997 | 6 | 248 | 0.884 | 0.022 | 0.833 | 0.302 | 0.080 | 0.067 | ||||||||||||
| 1998 | 6 | 259 | 0.964 | 0.177 | 0.455 | 0.305 | 0.560 | 0.253 | ||||||||||||
| 1999 | 6 | 239 | 0.903 | 0.131 | 0.147 | 0.335 | 0.430 | 0.063 | 0.94 | [16] | ||||||||||
| 2000 | 6 | 241 | 0.975 | 0.046 | 0.727 | 0.324 | 0.140 | 0.103 | 1.06 | |||||||||||
| 2001 | 6 | 249 | 0.905 | 0.212 | 0.608 | No data | - | No data | - | No data | - | 1.03 | ||||||||
| 2002 | 6 | 235 | 0.912 | 0.060 | 0.533 | 0.305 | [9], [16] | 0.197 | [9], [16] | 0.105 | [9], [16] | 0.99 | [17] | |||||||
| 2003 | 6 | 217 | 0.860 | 0.128 | 0.500 | 0.289 | 0.441 | 0.221 | 1.04 | |||||||||||
| 2004 | 6 | [15] | 221 | [15] | 0.912 | [9], [15] | 0.171 | [9], [15] | 0.622 | [9], [15] | 0.300 | 0.580 | 0.359 | 1.06 | ||||||
| *1 Fiscal year ending March. | ||||||||||||||||||||
| *2 The number of individuals have been counted just before birth season of the year (i.e. after March) since 1982. The estimated population size are in parentheses. | ||||||||||||||||||||
| *3 Population size in the fiscal year / population size in the previous fiscal year | ||||||||||||||||||||
| *4 Number of birth / population size just before birth season (i.e. population size in the previous fiscal year) | ||||||||||||||||||||
| *5 The number of infant surviving over the fiscal year / the number of birth | ||||||||||||||||||||
| *6 The number of mature female just before birth season (i.e. the number of mature female in the previous fiscal year) / population size just before birth season (i.e. population size in the previous fiscal year) | ||||||||||||||||||||
| *7 The number of birth / the number of mature female just before birth season (i.e. the number of mature female in the previous fiscal year) | ||||||||||||||||||||
| *8 The number of infant surviving over the fiscal year / the number of mature female just before birth season (i.e. the number of mature female in the previous fiscal year) | ||||||||||||||||||||
| *9 The number of mature male in the previous fiscal year / the number of mature female in the previous fiscal year | ||||||||||||||||||||
| Source: Data includes original variables in these source and calculated variables using these source. | ||||||||||||||||||||
| [9] Izawa K. (2009) Studies of wild Japanese macaques. Dobutsusha, Tokyo (in Japanese) | ||||||||||||||||||||
| [12] Izawa K. (1963) Japanese macaques in Kinkazan. Yaen 14: 5-11 (in Japanese) | ||||||||||||||||||||
| [13] Azuma S., Hayashi K. & Kawai M. (1967) Mammal survey in Kinkazan Island, Miyagi Prefecture in 1966. Ann. Rep. JIBP-CT(5): 197-203 (in Japanese) | ||||||||||||||||||||
| [14] Yhoshihiro S. (1980) Japanese macaques in Kinkazan Island. Monkey 24 (5): 14-15 (in Japanese) | ||||||||||||||||||||
| [15] Izawa K. (2005a) Results of the census on Kinkazan population of Japanese macaques in 2004. Japanese monkeys in Miyagi Prefecture 20: 21-26 (in Japanese) | ||||||||||||||||||||
| [16] Izawa K. (2004) Number of non-troop male and spatial relation of Japanese monkeys in Kinkazan Island. Japanese monkeys in Miyagi Prefecture 16: 35-43 (in Japanese) | ||||||||||||||||||||
| [17] Izawa K. (2005b) Variation in ratio of non-troop male to troop male with the seasons in Japanese monkeys living in Kinkazan Island. Japanese monkeys in Miyagi Prefecture 20: 12-16 (in Japanese) | ||||||||||||||||||||
| [18] Izawa K. (2000) The ecological study of wild Japanese monkeys living in Kinkazan Island, Miyagi Prefecture: on the population change 1995-2000. Bull. Miyagi Univ. Educ. 35: 329-337 (in Japanese) | ||||||||||||||||||||
| [19] Izawa K. (1997) Population census of Japanese macaques at Kinkazan in 1996. Japanese monkeys in Miyagi Prefecture 2: 1-12 (in Japanese) | ||||||||||||||||||||