What is the difference between ‘Data-Driven Attribution’ and ‘Last Click Attribution’ in GA4?

Question

Google Analytics GA4 — Hard

What is the difference between ‘Data-Driven Attribution’ and ‘Last Click Attribution’ in GA4?

Accepted Answer

Data-Driven Attribution in GA4 uses machine learning to distribute credit across touchpoints, while Last Click Attribution gives all credit to the final touchpoint. DDA tends to credit upper-funnel channels more.