GWP Doubling Analysis

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O
1	Year	Years before present	Real GWP ($ billions, 1990 intl$)	Compound annual growth rate	Year that it was 1/2 as much	Years to Double	Shortest doubling time / this doubling time	Shortest Doubling prior to the start of this doubling	Shortest Doubling prior to the start of this one / this doubling		Year	Population (millions)	Year that it was 1/2 as much	Years to double	Shortest doubling time / this doubling time
2					2.00					1.134216866

3	2014	6	77,868		1998.68	15.32	0.82	12.61	0.82	0	2015	7,349	1969.90	45.10	.82
4	2010	10	62,220		1993.04	16.96	0.74	12.61	0.74	0	2010	6,930	1967.05	42.95	.87
5	2005	15	43,070		1983.79	21.21	0.59	12.61	0.59	0	2005	6,520	1964.02	40.98	.91
6	2000	20	41,016.69	4.04%	1982.42	17.58	0.72	12.61	0.72	0	2000	6,127	1960.78	39.22	.95
7	1995	25	33,644.33	4.09%	1977.41	17.59	0.72	12.61	0.72	0	1995	5,735	1957.16	37.84	.98
8	1990	30	27,539.57	4.14%	1972.85	17.15	0.74	12.61	0.74	0	1990	5,310	1952.84	37.16	1.07
9	1985	35	22,481.11	3.62%	1968.65	16.35	0.77	13.05	0.80	0.80	1985	4,853	1945.32	39.68	1.14
10	1980	40	18,818.44	4.43%	1965.53	14.47	0.87	13.05	0.90	0.90	1980	4,440	1934.87	45.13	1.12
11	1975	45	15,149.42	4.53%	1961.74	13.26	0.95	12.61	0.95	0	1975	4,061	1924.39	50.61	1.13
12	1970	50	12,137.94	5.87%	1957.39	12.61	1.03	13.05	1.03	0	1970	3,682	1912.87	57.13	1.12
13	1965	55	9,126.98	5.89%	1951.95	13.05	1.20	15.68	1.20	0	1965	3,322	1900.78	64.22	1.19
14	1960	60	6,855.25	4.77%	1944.32	15.68	1.18	18.50	1.18	0	1960	3,018	1883.34	76.66	1.15
15	1955	65	5,430.44	5.88%	1936.50	18.50	1.39	25.77	1.39	0	1955	2,758	1866.54	88.46	1.13
16	1950	70	4,081.81	3.12%	1924.23	25.77	1.02	26.38	1.02	0	1950	2,525	1850.07	99.93	1.41
17	1940	80	3,001.36	2.91%	1913.62	26.38	1.01	26.62	1.01	0	1900	1,650	1758.98	141.02	1.40
18	1930	90	2,253.81	1.40%	1900.95	29.05	0.92	26.62	0.92	0	1850	1,262	1652.02	197.98	1.33
19	1925	95	2,102.88	3.94%	1898.20	26.80	0.99	29.08	1.08	1.08	1800	1,000	1537.15	262.85	1.90
20	1920	100	1,733.67	2.29%	1890.92	29.08	0.92	26.62	0.92	0	1750	791	983.69	766.31	.65
21	1900	120	1,102.96	2.69%	1873.38	26.62	1.56	41.45	1.56	0	1700	682	770.00	930.00	.54
22	1875	145	568.08	1.84%	1833.55	41.45	1.16	48.16	1.16	0	1600	580	536.52	1063.48	.47
23	1850	170	359.9	1.45%	1801.84	48.16	2.75	132.60	2.75	0	1500	458	196.15	1303.85	.38
24	1800	220	175.24	0.62%	1667.40	132.60	1.63	216.57	1.63	0	1000	400	1.00	999.00	.50
25	1750	270	128.51	0.51%	1533.43	216.57	1.20	260.63	1.20	0	1	200	-500.00	501.00	1.00
26	1700	320	99.8	0.40%	1439.37	260.63	1.00	295.61	1.13	1.13	-500	100	-1000.00	500.00	2.00
27	1650	370	81.74	0.12%	1354.39	295.61	0.88	260.85	0.88	0	-1000	50	-2117.18	1117.18	.90
28	1600	420	77.01	0.27%	1339.15	260.85	1.78	463.71	1.78	0	-2000	27	-3052.47	1052.47	.95
29	1500	520	58.67	0.27%	866.22	633.78	0.73	463.71	0.73	0	-3000	14	-4000.00	1000.00	7.05
30	1400	620	44.92	0.21%	663.38	736.62	0.63	463.71	0.63	0	-4000	7	-11434.28	7434.28	.95
31	1350	670	40.5	0.47%	535.63	814.37	0.57	463.71	0.57	0	-5000	5	-15048.37	10048.37	.70
32	1300	720	32.09	-0.21%	-394.75	1694.75	0.27	463.71	0.27	0	-6500	5	-15048.37	8548.37	.82
33	1250	770	35.58	-0.10%	66.95	1183.05	0.39	463.71	0.39	0	-8000	5	-15048.37	7048.37	1.06
34	1200	820	37.44	-0.06%	419.52	780.48	0.59	463.71	0.59	0	-10,000	4	-17445.19	7445.19	.00
35	1100	920	39.6	0.11%	492.17	607.83	0.76	463.71	0.76	0	-70,000	0
36	1000	1020	35.31	0.11%	42.41	957.59	0.48	463.71	0.48	0
37	900	1120	31.68	0.23%	-407.29	1307.29	0.35	463.71	0.35	0
38	800	1220	25.23	0.07%	-573.09	1373.09	0.34	626.75	0.46	0.46
39	700	1320	23.44	0.12%	-637.14	1337.14	0.35	626.75	0.47	0.47
40	600	1420	20.86	0.05%	-738.64	1338.64	0.35	626.75	0.47	0.47
41	500	1520	19.92	0.08%	-778.77	1278.77	0.36	626.75	0.49	0.49
42	400	1620	18.44	0.06%	-824.81	1224.81	0.38	908.06	0.74	0.74
43	350	1670	17.93	-0.02%	-837.99	1187.99	0.39	908.06	0.76	0.76
44	200	1820	18.54	0.03%	-822.27	1022.27	0.45	863.39	0.84	0.84
45	14	2006	17.5	-0.43%	-849.39	863.39	0.54	824.28	0.95	0.95
46	1	2019	18.5	0.04%	-823.28	824.28	0.56	663.01	0.80	0.80
47	-200	2220	17	0.03%	-863.01	663.01	0.70	490.90	0.74	0.74
48	-400	2420	16.02	0.16%	-890.90	490.90	0.94	463.71	0.94	0
49	-500	2520	13.72	0.12%	-963.71	463.71	1.35	626.75	1.35	0
50	-800	2820	9.72	0.21%	-1426.75	626.75	1.45	908.06	1.45	0
51	-1000	3020	6.35	0.06%	-1945.48	945.48	0.96	908.06	0.96	0
52	-1600	3620	4.36	0.09%	-2508.06	908.06	1.05	955.93	1.05	0
53	-2000	4020	3.02	0.06%	-3071.20	1071.20	0.89	955.93	0.89	0
54	-3000	5020	1.59	0.07%	-3955.93	955.93	5.72	5,471.12	5.72	0
55	-4000	6020	0.77	0.04%	-9471.12	5471.12	11.59	63,427.82	11.59	0
56	-5000	7020	0.51	0.01%	-68427.82	63427.82	1.55	98,367.21	1.55	0
57	-8000	10020	0.43	0.01%	-106367.21	98367.21	1.32	129,783.17	1.32	0
58	-10,000	12,020	0.37	0.00%	-139783.17	129783.17	1.19	154,124.54	1.19	0
59	-25,000	27,020	0.31	0.00%	-179124.54	154124.54	1.43	220,825.41	1.43	0
60	-300,000	302,020	0.09	0.00%	-520825.41	220825.41	1.00
61	-1,000,000	1,002,020	0.01
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67	Source: https://en.wikipedia.org/w/index.php?title=Gross_world_product&oldid=910796857										Source:	https://en.wikipedia.org/wiki/World_population#History
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