Tableau de données
| 1999 | 44,7% | 2009 | 23,9% | 2019 | 38,4% |
| 2000 | 52,4% | 2010 | 22,9% | 2020 | 41,6% |
| 2001 | 43,5% | 2011 | 22,3% | 2021 | 41,7% |
| 2002 | 42% | 2012 | 20% | 2022 | 32,1% |
| 2003 | 34,4% | 2013 | 22,3% | 2023 | 32,2% |
| 2004 | 25,2% | 2014 | 29,4% | 2024 | 31,4% |
| 2005 | 22% | 2015 | 31,3% | 2025 | 30,4% |
| 2006 | 20,1% | 2016 | 40,2% | 2026 | 29,9% |
| 2007 | 17,6% | 2017 | 39,1% | | |
| 2008 | 15,7% | 2018 | 33,8% | | |
Tableau de données
| 1999 | 620 Md | 2009 | 1,38 Bn | 2019 | 3,34 Bn |
| 2000 | 759 Md | 2010 | 1,59 Bn | 2020 | 3,54 Bn |
| 2001 | 800 Md | 2011 | 1,76 Bn | 2021 | 3,92 Bn |
| 2002 | 853 Md | 2012 | 1,82 Bn | 2022 | 3,6 Bn |
| 2003 | 804 Md | 2013 | 1,97 Bn | 2023 | 3,64 Bn |
| 2004 | 861 Md | 2014 | 2,64 Bn | 2024 | 3,94 Bn |
| 2005 | 1 Bn | 2015 | 2,7 Bn | 2025 | 3,9 Bn |
| 2006 | 1,02 Bn | 2016 | 3,11 Bn | 2026 | 4,27 Bn |
| 2007 | 918 Md | 2017 | 3,01 Bn | | |
| 2008 | 935 Md | 2018 | 2,85 Bn | | |
Tchad — Dette publique : évolution (1999–2026)