The useful read
region vs country
┌─ generated from funding, org, model, compute, and overlap signals ─────────────────────────────── ┐
Nigeria sits inside Africa, but still carries 0% of its AI funding signal.
Africa's biggest carrier is Cassava Technologies: $720M (99.7% of tracked side funding).
The org chart switches to a carrier board because a treemap would exaggerate sparse or heavily skewed data.
Nigeria is included in Africa; world-share dots and funding totals are shown as separate reference points, not additive market share.