Table 1.

Basic Information for the calculations.

	Country	Population	Density/km2	1 July 2020 Total Case Number t = 0	8 July 2020 Total Case Number t = 1	b	e-c
1	USA	328,239,523	33.6	2,573,393	2,923,432	127	0.879
2	Brazil	210,147,125	25	1,368,195	1,623,284	152	0.842
3	Russian Federation	146,748,590	8.4	654,405	700,792	223	0.933
4	India	1352642280	407	585,493	742,417	2309	0.788
5	United Kingdom	67,886,004	270.7	312,658	286,353	216	1.092
6	Peru	32,824,358	23	282,365	305,703	115	0.924
7	Chile	17,574,003	24	279,393	301,019	62	0.927
8	Spain	47,431,256	94	249,271	252,130	189	0.989
9	Italy	60,317,116	201.3	240,578	241,956	250	0.994
10	Iran	83,183,741	48	227,662	245,688	364	0.926
11	Mexico	128,649,565	61	220,657	261,750	582	0.842
12	Pakistan	212,228,286	244.4	213,470	237,489	993	0.898
13	Turkey	83,154,997	105	199,906	207,897	415	0.961
14	Germany	83,166,711	232	194,725	197,341	426	0.986
15	Saudi Arabia	34,218,169	15	190,823	217,108	178	0.878
16	France	67,081,000	104	157,194	159,909	426	0.983
17	South Africa	59,622,350	42.4	151,209	215,855	393	0.699
18	Bangladesh	161,376,708	1,106	145,483	168,645	1108	0.862
19	Canada	37,971,020	3.92	103,918	105,935	354	0.981
20	Qatar	2,795,484	176	96,088	100,945	28	0.953
	World	7,800,000,000	14.7	10,357,662	11,669,259	752	0.887