"Equal split" means dividing or sharing something equally among all the people or parties involved, so each person or party receives the same amount or portion. Full definition
These new heads replace a roughly equal split of those retiring at the normal age, those taking early retirement and those leaving, despite being years away from a pension. (schoolsweek.co.uk)
45 % carbs, approximately equal split between protein and fat for the remainder. (nutritionfacts.org)
But yogis in every time zone are celebrating the event, which signifies a nearly equal split of day and night. (yogajournal.com)