The data gives longitudinal data of several vital statistics in Japan. Included indices are crude birth rates, crude death rates, infant mortality rates, and so on.
JvitalA data frame with 121 observations on 19 variables.
[, 1] | YEAR | numeric | Year |
[, 2] | CBR | numeric | Crude birth rates of Japan |
[, 3] | CDR | numeric | Crude death rates of Japan |
[, 4] | IMR | numeric | Infant mortality rates of Japan |
[, 5] | NMR | numeric | Neonatal mortality rates of Japan |
[, 6] | NIR | numeric | Natural increase rates of Japan |
[, 7] | SBRPB | numeric | Stillbirth rates of Japan |
[, 8] | SARPB | numeric | Spontaneous abortion rates of Japan |
[, 9] | ACRPB | numeric | Artificial contraception rates of Japan |
[,10] | PNMPB | numeric | Perinatal mortalities per birth of Japan |
[,11] | MR | numeric | Marriage rates of Japan |
[,12] | DR | numeric | Divorce rates of Japan |
[,13] | TFR | numeric | Total fertility rates of Japan |
[,14] | ASMRM | numeric | Age-standardized mortality rates of males in Japan |
[,15] | ASMRM2 | numeric | Age-standardized mortality rates of males in Japan using new model population 2015 |
[,16] | ASMRF | numeric | Age-standardized mortality rates of females in Japan |
[,17] | ASMRF2 | numeric | Age-standardized mortality rates of females in Japan using new model population 2015 |
[,18] | PNMPLB | numeric | Perinatal mortalities per live births of Japan |
[,19] | MMR | numeric | Maternal mortality rates per 100000 births in Japan |
Longitudinal vital statistics in Japan provided as national official vital statitistics every year from 1899 to 2022, except for 1944-1946.
YEAR: Calender year.
CBR: Crude birth rate. Number of all live birth / mid-year population 1000.
CDR: Crude death rate. Number of death / mid-year population 1000.
IMR: Infant mortality rate. Number of death at age 0 / 1000 live births.
NMR: Neonatal mortality rate. Number of death within 4 weeks after birth / 1000 live births.
NIR: Natural increase rate. CBR-CDR.
SBRPB: Stillbirth rate per birth. Number of stillbirths / 1000 births.
SARPB: Spontaneous abortion rate per birth. Number of spontaneous abortions / 1000 births.
ACRPB: Artificial contraception (= induced abortion) rate per birth. Number of induced abortions / 1000 births.
PNMPB: Perinatal mortality per birth. [(Number of stillbirths after gestational age 22 weeks) + (Number of early neonatal deaths within a week after birth)] per 1000 births. The denominator is the sum of the number of stillbirths after gestational age 22 weeks and the number of live births. This definition was established in 1995, but PNMPB also includes some values before 1995.
MR: Marital rate. The number of marriages / mid-year population 1000.
DR: Divorce rate. The number of divorces / mid-year population 1000.
TFR: Total fertility rate. The sum of age-specific fertility rates, which is the number of births divided by the number of women's population for each age.
ASMRM: Age-standardized mortality rate of males, per mid-year population 1000, where the standard population is the model population in 1985 (S60MPJ).
ASMRM2: Age-standardized mortality rate of males, per mid-year population 1000, where the standard population is the model population in 2015 (H27MPJ).
ASMRF: Age-standardized mortality rate of females, per mid-year population 1000, where the standard population is the model population in 1985 (S60MPJ).
ASMRF2: Age-standardized mortality rate of females, per mid-year population 1000, where the standard population is the model population in 2015 (H27MPJ).
PNMPLB: Perinatal mortality per live birth. [(Number of stillbirths after gestational age 28 weeks) + (Number of early neonatal deaths within a week after birth)] per 1000 live births (Note: the denominator does not include stillbirths!). This definition stood until 1994, but PNMPLB also includes values after 1995, for comparison.
MMR: Maternal mortality rate (actually ratio) per birth. (Number of maternal deaths during pregnancy or postpartum periods within 42 days [90 days until 1978] after the delivery due to reproduction-related causes) / (Number of total births = live births + stillbirths)* 100,000.
Ministry of Health, Labor and Welfare of Japan: Vital Statistics.
National Institude for Population and Social Security Research: Table 5-28 of Population Statistics of Japan 2019.