LINDSAY LOHAN’s new Russian boyfriend is extremely rich . . . and that’s a good thing because she’s apparently squandered a lot of her money.

According to CelebrityNetWorth.com, she’s only worth $500,000, which gives her the same-size bank account as former “American Idol” celebrities William Hung and Justin Guarini.

While we’re at it, here’s how a bunch of other former stars from 10 to 20 years ago are doing today, according to their assets.

Akon, $80 million

Fred Durst, $20 million

Chris Kirkpatrick from ‘N Sync, $13 million

Mandy Moore, Chingy, and Shaggy, $10 million

Ashlee Simpson, $8 million

Brian Setzer, $6.5 million

Mark McGrath, $6 million

Ja Rule, Tom Green, and Blu Cantrell, $5 million

Sisqó, $4 million

Ryan Cabrera, $2 million

Farrah Franklin, one of two who got kicked out of Destiny’s Child, $1.5 million

Lou Bega, Willa Ford, and Steven Anthony Lawrence, who was Beans from “Even Stevens”. They all have $1 million.

Khia, $500,000. She’s the rapper who brought us “My Neck, My Back (Lick It)”.

Coolio, $100,000