How long do spiders live?

some rarely live longer than a year, others can live up to two or three years, and some up to 25 years

Spider lifespans range from rarely longer than a year to up to 25 years, depending on the species.

Some Missouri spiders rarely live longer than a year, while others can live up to two or three years.
Some spiders tend to be long-lived, some up to 25 years.

These are the documented figures; individual animals vary with care, genetics and luck.

Grounded in: mdc.mo.gov. Every figure above appears verbatim in the linked sources.

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