50%, obtained minimum of credits in five (5) subjects and above, including English Language and Mathematics according to statistics.

How to Check WAEC Result Online.
You don’t need to buy any scratch card to check your 2019 WAEC result. The result checker pin and serial number needed by candidates to check results online are contained on candidate’s smart identity card used during the conduct of the examination.

Go to WAEC 2018 result checking portal at https://www.waecdirect.org.
Enter your WAEC Examination Number in the required column.
Select your Examination Year i.e. 2019.
Select your Examination Type i.e. SCHOOL CANDIDATE RESULT.
Enter the Card Serial Number.
Enter the Card PIN.
Finally, click “Submit” button to get your 2019 WAEC Result.

Source: https://schoolaspirants.com/2019-may-june-waec-examination-result-is-out/