1) The document discusses population and economic trends in Japan from 1990 to 2050, noting the population is projected to decline from 123 million to 100 million over that period while the percentage of those over 65 will increase from 12.1% to nearly 30%. 2) It then presents data on material flow for 2009 in Japan showing amounts of resources like biomass, fossil fuels, metal ores and non-metallic minerals that were imported, domestically extracted and emitted as waste. 3) Several tables then show material flow accounts and balances for materials like carbon, nitrogen and phosphorus in Japan for 2009, presenting data on imports, domestic extraction and amounts emitted or stockpiled.

2. 1

3. 2009 6 1 70
1990 50 2050
7
2050
18
19.3%
6% 4.2%
4.1%
1

4. 2

5. 3

6. 4

7. 5

8. 6

9. 7

10. .
.
8

11. 9

12. 10
[GJ]

13. 11

14. 12

15. CO CO
CO
13

16. .
14

17. 15

18. 11
16

19. 17

20. 100 109,655.98 109,655.98 100 100
[kg] [kg]
100 14,507 14,507 100 100
100 49 49 100 100
100 78 78 100 100
100 61 61 100 100
100 3,335 3,335 100 100
100 494 494 100 100
18

21. Input Output
21,418,576 15,552
3,385,965
1,000
141,793 154,473
19

22. 20

23. 19.3
3.2
14.6%
5.6%
14.5%
100
100%
21

24. 22

25. 23

26. .
24

27. e-mail hqsisetu@belle.shiga-med.ac.jp
http://www.shiga-med.ac.jp/
25

28. 26

29. 27