The magazine has assessed the hitched music stars’ combined wealth estimated at $1.16bn (£894m).
It puts US rapper Jay Z’s fortune at $810m, and his wife at $350m.
As indicated by Forbes, a large portion of the couple’s cash is associated with Jay Z’s organizations, including Roc Nation.
He and artist Beyonce both have stakes in the streaming administration, Tidal.
Not long ago, Jay Z signed a new 10-year deal with touring giant Live Nation, worth $200m.
Jay Z and his wife Beyounce currently have a five-year-old daughter called Blue Ivy.
Beyonce is currently pregnant with twins.