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Human Population and Number of Inhabited Planets

Year Population Planets
2003 CE 6 billion 1
2053 CE 7 billion 1
2103 CE 8.03 billion 31
TE 0 (2153 CE) 14.9 billion 71
TE 50 (2203 CE) 83 billion 182
TE 100 (2253 CE) 280 billion 341
TE 150 (2303 CE) 500 billion 607
TE 200 (2353 CE) 1.7 trillion 2119
TE 250 (2403 CE) 3 trillion 4123
TE 300 (2453 CE) 6 trillion 7237
TE 350 (2503 CE) 8 trillion 9640
TE 400 (2553 CE) 8.6 trillion 11,230
TE 450 (2603 CE) 8.4 trillion 11,150
2653 CE 8.53 trillion 11,330
3000 CE 8.9 trillion 12,200
4000 CE 9.1 trillion 12,600
5000 CE 7.4 trillion 11,200
6000 CE 8.06 trillion 10,250
7000 CE 6.7 trillion 8900
8000 CE 8.6 trillion 11,400
9000 CE 12.4 trillion 16,120
10,000 CE 19.4 trillion 26,000
21,000 HE (11,000 CE) 24 trillion 30,000
22,000 HE (12,000 CE) 30 trillion 36,000
23,000 HE (13,000 CE) 30 trillion 41,000
24,000 HE (14,000 CE) 26 trillion 47,000
25,000 HE (15,000 CE) 3.2 trillion unknown
26,000 HE (16,000 CE) 180 billion unknown
27,000 HE (17,000 CE) 10 billion unknown
28,000 HE (18,000 CE) 572 million unknown
29,000 HE (19,000 CE) 32 million unknown
30,000 HE (20,000 CE) 1.81 million unknown

Following 30,000 HE, Human population stabilized at about 2 million, primarily on Terra and a handful of other worlds.