Table 4.

The mortality rates ${\mu }_i$

Age class	India	USA	Italy
0–5	0	0	0
5–10	0	0	0
10–15	0.0009	0.0005	0
15–20	0.0009	0.0005	0
20–25	0.0009	0.0005	0.0004
25–30	0.0009	0.0008	0.0004
30–35	0.0014	0.0008	0.0007
35–40	0.0016	0.0010	0.0014
40–45	0.0023	0.0010	0.0021
45–50	0.0023	0.0015	0.0028
50–55	0.0054	0.0035	0.0053
55–60	0.0081	0.0050	0.0081
60–65	0.0153	0.0100	0.0186
65–70	0.0252	0.0150	0.0294
70–75	0.0315	0.0200	0.0543
75–80	0.0540	–	0.0795