Donald Trump secures a notable victory, winning in all demographic groups and states.
Despite Joe Biden not running, his failure to prepare a new generation of Democratic leaders is seen as a reason for the party's downfall.
Kamala Harris lacked sufficient time to prepare her presidential run.
Healthy macroeconomic figures have not been enough to attract voters whose wages are not keeping up with inflation.
Trump has demonstrated that assembling minorities does not necessarily result in a majority.
The middle classes in the U.S. feel they are losing quality of life, and Trump has managed to connect with this sentiment.
Conclusion: The Democratic Party needs to start constructing its own discourse around these issues if it wants to avoid another defeat in future elections.