8. Length of stay in prison for parolees serving life sentences (Since 1966)
Parolees
Length of stay in prison for new parolees (*1)

Parole details
Total
numberofparolees

Year

Parolegranted

Showa 41
Showa 42
Showa 43
Showa 44
Showa 45
Showa 46
Showa 47
Showa 48
Showa 49
Showa 50
Showa 51

1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976

74
97
80
92
85
86
53
60
74
112
61

68
95 *7
77
87
84
79
47
58
69
105
58

Showa 52

1977

55

52

Showa 53
Showa 54
Showa 55
Showa 56
Showa 57

1978
1979
1980
1981
1982

39
64
55
67
58

58
52

1983

52

45

Showa 59

1984

60

53

Showa 60

1985

3327Showa 62
Showa 631986
1987
1988

Showa 64/1989
Heisei 1
Heisei 2

1990

32
34
1722181111127261212145135661473321713261171996

187

Heisei 9

1997

2012

Heisei 10
Heisei 11
Heisei 12

1998
1999
2000

18111215
9
72

5234

75102

91913

712997611

72
684432288

54

322

9613

5932

93

52

12

121165441111

763

1143
1223221221122

1

Numberof lifesentenced inmates
who died

new parolee
Total number ofparolees

Type of by length
execution of stay inprisonaverage-

1966, Table 61, p.153--

1967, Table 63, p.153--

1968, Table 63, p.158--

1969, Table 57, p.149--

1970, Table 57, p.149--

1971, Table 57, p.149--

1972, Table 56, p.151--

1973, Table 58 p.153--

1974, Table 58, p.153--

1975, Table 58 p.153--

1976, Table 58, p.159

-

-

4

15years and7months *2-

1977, Table 58, p.167-

216years and8months *2-1978, Table 57, p.157-

215years and8months *2-

1979, Table 57, p.157-

115years and8months *2-

I, 1980, Table 57, p.157-

215years and7months *2-

I, 1981, Table 57, p.157-

215years and10months *2-

I, 1982, Table 57, p.157

-

1
122
4
14
4

416years *2-

I, 1983, Table 57, p.157

415years and11months *2-

I, 1984, Table 57, p.157

115years and5months *2-

I, 1985, Table 57, p.157

216years and7months *2-

115years and8months *2-

116years and1month *2-

418years and10months *2-

I, 1989 Table 57, p.163-

620years and3month *2-

I, 1990, Table 57, p.163-

18years and1months *2-

I, 1991, Table 57, p.163-

AnnualReport of
Statistics
on
Correction(KyoseiTokei)

I, 1986, Table 57, p.157
I, 1987, Table 57, p.157
I, 1988, Table 57, p.163

Cabinet'sanswer totheHouse ofRepresentatives(No. 149
October3, 2000)-

104453

6

6

1

114

720years *2-

I, 1992, Table 57, p.171-

318years and1month *2-

I, 1993, Table 57, p.171-

418years and3months *2-

I, 1994, Table 57, p.171-

112328241322

520years *2-

1995, Table 57, p.171-

1996, Table 57, p.173

-

4

1

220years and6months *221621years and6months *2-

1997, Table 69, p.235

1020years
10months *261998, Table 69, p.235*3521years and4months

91999, Table 69, p.235*4721years and2months

92000, Table 69, p.235

12111221212224151315Average

Parolees-4377220

312115423136331424612581233

Heisei 82421662320

23525251995

641992Heisei 71816

Heisei 4

197619181112
97352263731994111034Heisei 65564233922

1085101819911
711991

1993

1314981014
813
1424
123721625
2416
2314101823
28
1232583721521410162223
2013161119129422

Heisei 3Heisei 5121
4

361

Showa 58

Showa 61

Parole granted
4More
Paroleafter initially being
granted afteryears
5
6-8
9-10
11
12
13
14
15
16
17
18
19
20
than
revoked andinitially beingoryears years years years years years years years years years years years years
20
serving a separate
revokedlessyears
sentence

38

42

SourcesNumber oflifesentenced
inmates
who died42

8. Length of stay in prison for parolees serving life sentences (Since 1966)
Parolees
Length of stay in prison for new parolees (*1)

Parole details
Total
numberofparolees

Year

Heisei 13
Heisei 14
Heisei 15
Heisei 16
Heisei 17

2001
2002
2003
2004
2005

15
816
4
13

ParolegrantedParole granted
4
MoreParoleafter initially being
granted afteryears
5
6-8
9-10
11
12
13
14
15
16
17
18
19
20
than
revoked andinitially beingor
years years years years years years years years years years years years years
20
serving a separate
revokedlessyears
sentence

13
6
14
1
10

1
112

2006

43

1

Heisei 19

2007

311

Heisei 20

2008

54

Heisei 22
Heisei 23Heisei 2420092010
20112012

698836

1Type of by length
execution of stay inprison

122001, Table 69, p.241

523years and5months

182002, Table 69, p.241

1423years and4months

11

2003, Table 69, p.241

125years and10months

15

2004, Table 69, p.241

1027years and2months

122005, Table 69, p.241

325years and1month

15

2006, Table 691

131years and10months

13

2007, Table 691

428years and10months

72008, Table 69630years and2months

142009, Table 69735years and3months

21

2010, Table 69

335years and2months

21

631years and9months

14831years and2months

14531years and4months

23

31years and6months

222015, Table 69

112
124

new parolee
Total number ofparolees

22years and8months

1

67

Average

Parolees

112

Heisei 18

Heisei 21

SourcesNumber oflifesentencedinmates
who died11

11

average

Numberof lifesentenced inmates
who died

Ministry of Justice,"Status of Executionof Life Sentences
and Operation ofParole" released
November 2010.

2011, Table 69
AnnualReport ofStatistics
onCorrection(KyoseiTokei)

2012, Table 692013, Table 69

Heisei 25

2013

1082

Heisei 26

2014

751

Heisei 27

2015

11929Heisei 28

2016

972

731years and9months

27

2016, Table 69

833years and2months

30

2017, Table 69

731years and6months

24

2018, Table 69

1636years

21

2019, Table 69

836years and6months

29

2020, Table 69*51

732years and10months

292021, Table 69*61

545years and1month41

2022, Table 69*8

Heisei 29

2017

1181

Heisei 30

2018

1072

Heisei 31/Reiwa 1

2019

1716

1Reiwa 2

2020

148Reiwa 32021

97Reiwa 42022

65411212*1 “new parolees” means parolees with life sentences, excluding persons who were allowed to be paroled again after revocation.
*2 The average length of stay in prison of new life-sentenced parolees.
*3 Ministry of Justice, "Status of Execution of Life Sentences and Operation of Parole" released September 2008
*4 Ministry of Justice, "Status of Execution of Life Sentences and Operation of Parole" released September 2009
*5 Ministry of Justice, "Status of Execution of Life Sentences and Operation of Parole" released November 2020
*6 Ministry of Justice, "Status of Execution of Life Sentences and Operation of Parole" released November 2021
*7 According to table 63 of Annual Report of Statistics on Correction (Kyosei) (1967), "new sentence" consists of 93 men and 3women. However, the total number of inmates figured in the table is 95, which consist of 92 men and 3 women. Therefore, CrimeInfoconsiders the latter, 95, to be the number of "new sentences".

2014, Table 69

Ministry of Justice,"Status of Executionof Life Sentencesand Operation ofParole" releasedNovember 2020

8. Length of stay in prison for parolees serving life sentences (Since 1966)

Parole details
YearTotal
numberofparolees

Parolegranted

Parolees
Length of stay in prison for new parolees (*1)

Parole granted
4
MoreParoleafter initially being
granted afteryears
5
6-8
9-10
11
12
13
14
15
16
17
18
19
20
than
revoked andinitially beingor
years years years years years years years years years years years years years
20
serving a separate
revokedlessyears
sentence*8 Ministry of Justice, "Status of Execution of Life Sentences and Operation of Parole" released December 2023
Hyphens ("-") mean that no statistical data exists.
Recommended citation: “Length of stay in prison for parolees serving life sentences (crimeinfo.jp)”

Sources

Average

Number oflifesentenced
inmates
who died

Parolees
new parolee
Total number ofparolees

Type of by length
execution of stay inprison

average

Numberof lifesentenced inmates
who died