
Sub-Saharan Africa facts of the day
Sub-Saharan Africa facts of the day by Tyler Cowen July 15, 2026 at 2:30 am in Data Source Food and Drink In aggregate its farmers are growing more cereals, such as maize (corn) and rice, than ever: nearly five times as much as in the 1960s, when many countries achieved independence. But most of those gains came from cultivating more land, which cannot go on for ever (see chart 1). Africa, once sparsely populated, is getting crowded.
- ▪Sub-Saharan Africa facts of the day by Tyler Cowen July 15, 2026 at 2:30 am in Data Source Food and Drink In aggregate its farmers are growing more cereals, such as maize (corn) and rice, than ever: nearly five times as much as in the 1960s
- ▪But most of those gains came from cultivating more land, which cannot go on for ever (see chart 1).
- ▪Africa, once sparsely populated, is getting crowded.
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| Original publisher | Marginal Revolution |
| Canonical URL | https://marginalrevolution.com/marginalrevolution/2026/07/sub-saharan-africa-facts-of-the-day.html?utm_source=rss&utm_medium=rss&utm_campaign=sub-saharan-africa-facts-of-the-day |
| Publication time | Wed, 15 Jul 2026 06:30:06 +0000 |
| Retrieval time | 2026-07-15T06:53:20.690Z |
| Last seen | 2026-07-15T06:53:20.690Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | i70TCd3hM89D |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Sub-Saharan Africa facts of the day by Tyler Cowen July 15, 2026 at 2:30 am in Data Source Food and Drink In aggregate its farmers are growing more cereals, such as maize (corn) and rice, than ever: nearly five times as much as in the 1960s, when many countries achieved independence. But most of those gains came from cultivating more land, which cannot go on for ever (see chart 1). Africa, once sparsely populated, is getting crowded. The amount of arable land per person has been falling for decades, and now sits at roughly the global average. That might not matter if farmers were also growing more crops per hectare. But recently gentle growth in agricultural productivity has given way to stagnation, perhaps even decline.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Marginal Revolution.