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what year will the last human die?

...
Self-absorbed ivory stag film blood rage
  07/21/26
1945
controlling a virtual character on a computer
  07/21/26
oh.
Self-absorbed ivory stag film blood rage
  07/22/26
Never.
gerstern
  07/22/26
this is obviously wrong. even if we don’t kill ourselv...
Self-absorbed ivory stag film blood rage
  07/22/26
(lawyer)
gerstern
  07/22/26
I feel like if humans manage to survive to 2200 (i.e. become...
Green hall mad-dog skullcap
  07/22/26
as power/technology increases, extinction-level event capabi...
Self-absorbed ivory stag film blood rage
  07/22/26
on the face of it this would appear to be true
Green hall mad-dog skullcap
  07/22/26
AI says it will be late 23rd Century: Based on a linear dec...
Soul-stirring Native
  07/22/26
declining fertility is great for the planet but terrible for...
Green hall mad-dog skullcap
  07/22/26
this cannot be right
concupiscible sienna mad cow disease
  07/22/26


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Reply

Date: July 21st, 2026 12:21 PM
Author: Self-absorbed ivory stag film blood rage



(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50014248)



Reply

Date: July 21st, 2026 12:22 PM
Author: controlling a virtual character on a computer

1945

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50014252)



Reply

Date: July 22nd, 2026 10:03 AM
Author: Self-absorbed ivory stag film blood rage

oh.

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016476)



Reply

Date: July 22nd, 2026 10:04 AM
Author: gerstern

Never.

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016479)



Reply

Date: July 22nd, 2026 10:13 AM
Author: Self-absorbed ivory stag film blood rage

this is obviously wrong. even if we don’t kill ourselves or have some random, horrendous catastrophe befall the planet, in, say, a billion years there will still be no “humans” as our progeny will have evolved into something technically different.

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016491)



Reply

Date: July 22nd, 2026 10:49 PM
Author: gerstern

(lawyer)

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50018355)



Reply

Date: July 22nd, 2026 10:07 AM
Author: Green hall mad-dog skullcap

I feel like if humans manage to survive to 2200 (i.e. become technologically advanced enough to solve climate change/resource limitations/post-AI society) then I'm not sure what would subsequently stop them from surviving multiple millennia

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016485)



Reply

Date: July 22nd, 2026 10:10 AM
Author: Self-absorbed ivory stag film blood rage

as power/technology increases, extinction-level event capabilities become further democratized.

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016488)



Reply

Date: July 22nd, 2026 10:17 AM
Author: Green hall mad-dog skullcap

on the face of it this would appear to be true

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016499)



Reply

Date: July 22nd, 2026 10:22 AM
Author: Soul-stirring Native

AI says it will be late 23rd Century:

Based on a linear decline of the global Total Fertility Rate (TFR), humanity will go completely extinct in approximately 244 to 264 years, with the global birth rate hitting zero in exactly 143.75 years.1. Calculate annual TFR declineThe starting fertility rate is \(2.3\).It drops \(0.4\) every \(25\) years.\(\text{Decline\ Rate}=\frac{0.4}{25}=0.016\text{\ per\ year}\)2. Determine zero birth yearWe define TFR over time \(t\):\(T(t)=2.3-0.016t\)Set fertility to zero:\(2.3-0.016t=0\)\(t=\frac{2.3}{0.016}=143.75\text{\ years}\)Global births completely stop at \(143.75\) years.3. Add remaining human lifespanExtinction occurs when the last person dies.The maximum human lifespan is \(100\) to \(120\) years.Add this lifespan to the zero birth year:Lower estimate: \(143.75 + 100 = 243.75 \text{ years}\)Upper estimate: \(143.75 + 120 = 263.75 \text{ years}\)Final Projection ✅Under these specific parameters, humanity will go completely extinct in 243.75 to 263.75 years from now.If you want to refine this projection, let me know if you would like to:Switch to an exponential decay model.Factor in shifting global life expectancies.Analyze regional variations in demographic trends.

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016509)



Reply

Date: July 22nd, 2026 10:23 AM
Author: Green hall mad-dog skullcap

declining fertility is great for the planet but terrible for capitalism

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50016512)



Reply

Date: July 22nd, 2026 10:53 PM
Author: concupiscible sienna mad cow disease

this cannot be right

(https://xoxohth.com/thread.php?thread_id=5884737&forum_id=2#50018365)