Dioula: The Common Language of West African Markets

Côte d'Ivoire (in West Africa, French-speaking, the world's largest cocoa producer) has more than sixty local languages, but in markets and small shops one language is heard especially often: Dioula (also spelt Dyula or Jula). Knowing its background helps explain how West African trade networks have managed to span national borders.

The name itself means "trader"

According to the linguistic information compiled on Wikipedia, "Dyula" means "trader" in Mande. The word was originally used to distinguish Muslim itinerant merchants from local farmers, and later came to refer to Mande-speaking trading communities in general.

Encyclopaedia Britannica notes that Dyula traders were already engaged in the gold trade in the days of the ancient Ghana Empire; in the era of the Mali Empire, they linked the gold-producing areas of the southern forests to the trade networks of the Western Sudan and North Africa, with kola nuts also among their main goods. From around the 16th century, they gradually settled in towns across the region.

In what is now north-eastern Côte d'Ivoire, the Kong state, which rose in the early 18th century, was a polity built on Dyula trading networks, controlling the trade routes to the goldfields and the coast until it was attacked and collapsed in the late 1890s.

One language across three countries

What sets Dioula apart is that second-language speakers far outnumber native speakers — the hallmark of a lingua franca (langue véhiculaire). Université Laval's language-policy database likewise describes Dioula as the common language of commerce in Côte d'Ivoire, coexisting with French in markets and the informal economy.

Writing systems

Dioula is primarily a spoken language, but it can be written in three ways:

• Latin alphabet: Burkina Faso published a Dioula alphabet in 1973 and formally adopted it in 1979.
• N'Ko script: created for Manding in 1949 by the Guinean educator Solomana Kanté; it is included in Unicode but is used mostly outside the formal education system.
• Arabic script (Ajami): can also be used to write Dioula.

A useful greeting, and a sense of proportion

The most common all-purpose greeting is "I ni ce" (singular) or "A ni ce" (plural); it can be used at any time of day and can also mean "thank you". In many parts of Côte d'Ivoire and Burkina Faso, people also often say "A ni ce" to a single person.

Two points to bear in mind:

• Don't guess someone's language from their appearance: although many markets in Abidjan have large numbers of Dioula speakers, not everyone speaks it; in most situations, greeting in French first is the safest choice.
• Language is tied to identity: in Côte d'Ivoire, "Dioula" may also be used to refer to a group, intertwined with questions of religion, region and identity. When discussing language, stay curious and respectful, and avoid sweeping generalisations.

One line for Asian readers

Greeting someone in the market with "A ni ce" often earns you a smile; but true courtesy means greeting in French first, then letting the other person's response guide what you say next.

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References: Wikipedia – Dyula language; Britannica – Dyula; Wikipedia – Kong Empire; Université Laval (CEFAN) – Côte d'Ivoire : situation linguistique; France Volontaires – Guide pratique des volontaires en RCI (2025); Omniglot – Dioula; An ka taa – "I ni ce" vs "A ni ce" in Jula; An ka taa – Assume that people speak Dioula in Abidjan?