Cicada 2024 Facts4u. That’s because 2024 will see two separate batches of periodical cicadas emerge en masse, spread across much of the eastern half of the u.s. Billions of cicadas are set to surface this spring as two different broods — one that appears every 13 years, and another every 17 years — emerge simultaneously.

Here are the active periodical cicada broods in the united states. Here’s what to know about a cicada’s life, both under and above ground.