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Cost of Living and Price Reports from Tokyo, Japan. You can download the Excel list of items+prices I posted.

English translation of the monthly report "Retail prices of major products in Tokyo" published by Tokyo Metropolitan government can be downloaded also.

Table of Contents of Statistics/Rankings/Graphs is here.

Sleeping time (hours) of Japanese people

People's Life

According to the government statistics, the average sleep length is 462 minutes (7 hours and 42 minutes). The following table shows the average sleep length of Japanese people by age. 

Age Minutes Hours
10~14  515 8.6
15~19  462 7.7
20~24  476 7.9
25~29  463 7.7
30~34  457 7.6
35~39  443 7.4
40~44  432 7.2
45~49  423 7.1
50~54  426 7.1
55~59  434 7.2
60~64  451 7.5
65~69  468 7.8
70~74  481 8.0
75~79  502 8.4
80~84  528 8.8
Over 85  580 9.7

f:id:nbakki:20140408122923j:plain

The table below presents sleep length of people who are working (having a job or housekeeping), and sleep length of people who are not working.

Age Hours of "working people" Hours of "not working people"
15~19 7.8 7.7
20~24 7.9 8.1
25~29 7.6 8.2
30~34 7.6 7.8
35~39 7.3 7.6
40~44 7.2 7.3
45~49 7.0 7.2
50~54 7.1 7.2
55~59 7.2 7.3
60~64 7.5 7.6
65~69 7.7 7.9
70~74 7.9 8.1
75~79 8.3 8.4
80~84 8.7 8.8
Over 85 8.8 9.7

f:id:nbakki:20140408123410j:plain

It seems that sleep length does not depend on job, but depends on age. 

Source is Statistics Bureau, Ministry of Internal Affairs and Communications.

www.e-stat.go.jp/SG1/estat/List.do?bid=000001040666&cycode=0

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Table of Contents of Statistics/Rankings/Graphs is here.

In terms of the cost of living information, you can download the Excel price list of goods I posted.

English translation of the monthly report "Retail prices of major products in Tokyo" published by Tokyo Metropolitan government can be downloaded also.