Africa’s largest ecosystem by volume. Lagos hub-driven, deeply commercial. Diagnostic in preparation.
The urban modules matter more than the national envelope: 68.4 % of composition variance sits within countries (COTEE, H4). Live from Expert · pipeline 17 Aug 2026.
A country report does not add up a score. It reads the ecosystem as a cultivated order: the soil (rule enforcement) conditions what the seed (actors present) and the gardener (built support) can produce — then measures the meta-organization, gender inclusion and the AEEI pillars on the same grid.
Enforcement -0.89 (rules weakly applied); built support 14 %, base endowment 81 %; 11 % of actors created by the State or donors; 8 urban modules on 2,869 actors. Expected creation 1.5 → 4.0 new firms per 1,000 adults if rules were enforced: the soil, not the seed, is the binding constraint.
Coverage CI 100 % (world 100 %); functional differentiation FDI 0.68 (world 0.87); service redundancy SRI 1.30 (world 2.01); VRIO coverage 0.18 (world 0.21); effectiveness EES 0.68 (world 0.72); network density 0.834. The report then applies the readings — resilience-adjusted redundancy, governance vs endowment, form vs substance, three-mechanism index — to Nigeria.
AGI 41/100 (economic 74, social —, representation 8), rank 37 / 53 in Africa and 142 / 176 globally; 73 women-focused structures out of 2,886 actors (25.3 ‰). Read next to the continental picture: mean 49, social dimension weakest (19/100), economic strongest (64/100).
Composite 2.18 / 7, rank 18 / 30, percentile 59 (middle tier). Strengths: formal institutions (0.55), demand (0.43, +0.29 vs mean), culture (0.39). Weaknesses: networks & intermediaries (0.10), finance (0.15). Each pillar is sorted into Soil, Seed, Gardener or Environment and read conditionally on enforcement.
Nigeria scored on the ten entrepreneurial-ecosystem elements (Stam & van de Ven, 2021), grouped into 7 pillars and re-read through the COTEE framework on Expert.
On Expert, the AEEI elements are sorted into COTEE layers — Soil (rules), Seed (contents), Gardener (apparatus) — and read conditionally: contents only pay off where rules bind.
Source: AEEI — Africa Entrepreneurial Ecosystem Index (africa.ecosystem.build), 2026. Framework: the ten elements of Stam & van de Ven (2021). Delta = points vs Africa average.
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