See Key for column definitions.
| Team | Competition | Starts | Subs | Subbed | Total | Mins | MPG | Rating |
| Flamengo U20 | Brasileiro U20 A | 0 | 0 | 0 | 15 | 1,377 | 91.8 | 7.25 |
| Flamengo U20 | CONMEBOL Libertadores U20 | 3 | 0 | 0 | 3 | 270 | 90.0 | 7.25 |
| Brazil U20 | World Cup - U20 | 3 | 0 | 0 | 3 | 270 | 90.0 | 7.23 |
| Totals | | 6 | 0 | 0 | 21 | 1,917 | 91.3 | 7.25 |
Key to column names
See Key for column definitions.
| Team | Competition | Appearances | Goals | GPG | MPG | Assists | Shots | On T | Off T | SPG | Dribbles | Passes | Acc | Fouled |
| Flamengo U20 | Brasileiro U20 A | 15 | 4 | 3.8 | 344 | 0 | 19 | 8 | 11 | 4.8 | 0 | 1,003 | 89 | 0 |
| Flamengo U20 | CONMEBOL Libertadores U20 | 3 | 1 | 3.0 | 270 | 0 | 0 | 0 | 0 | 0 | 0 | | | 0 |
| Brazil U20 | World Cup - U20 | 3 | 1 | 3.0 | 270 | 0 | 4 | 1 | 3 | 4 | 0 | 204 | 59 | 2 |
| Totals | | 21 | 6 | | | 0 | 23 | 9 | 14 | 3.8 | 0 | 1207 | 148 | 2 |
Key to column names
- GPG
- Goals per game
- MPG
- Minutes per goal
- SPG
- Shots per goal
- On T
- Shots on Target
- Off T
- Shots off Target
- Acc
- Accurate passes
| Team |
Competition |
Appearances |
Conceded | Saves | Tackles | Blocks | Interceptions | Duels Won | Duels Lost | Fouls Committed |
| Flamengo U20 | Brasileiro U20 A | 15 | 2 | 0 | 8 | 12 | 36 | 0 | 0 | 0 |
| Flamengo U20 | CONMEBOL Libertadores U20 | 3 | | | 0 | 0 | 0 | 0 | 0 | 0 |
| Brazil U20 | World Cup - U20 | 3 | 0 | | 3 | 4 | 3 | 14 | 7 | 1 |
| Totals | | 21 | 2 | 0 | 11 | 16 | 39 | 14 | 7 | 1 |
The total yellow and red cards received by Iago in each competition are shown below.