How many more years has SouthPark, Family Guy and American Dad/Futurama got left?

I would've included The Simpsons yet, well, ๐Ÿ˜๐Ÿ˜ถ that's like asking why a lot more unknowables,
Mid 2020s
Late 2020s
Early to mid 2030s
By 2040
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How many more years has SouthPark, Family Guy and American Dad/Futurama got left?
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