How Many of Lil album went platinum?

As of my knowledge cutoff in September 2021, Lil Wayne has released twelve studio albums, of which five have gone platinum certified records:

1. Tha Carter III (2008) - 6x Platinum

2. Tha Carter IV (2011) - 3x Platinum

3. I Am Not a Human Being (2010) - 2x Platinum

4. Rebirth (2010) - Platinum

5. Tha Carter V (2018) - Platinum

Please note that these numbers may have changed since my knowledge cutoff date, and it's always best to refer to official sources for the most up-to-date information on album certifications.