The Democratic Republic of Congo sits on some of the world's most valuable mineral deposits. Congo possesses enormous reserves of cobalt, copper, lithium and tantalum, minerals increasingly important to everything from electric vehicles to advanced electronics. Yet systematic exploration has covered only around 20% of the country. Much of its geological wealth remains, quite literally, unmapped1.

That is now beginning to change. Congo is accelerating airborne surveys and digital mapping, with a $180m three-year contract with Spain's Xcalibur, begun in January, running alongside other programmes funded by the government, mining revenues and international partners. The national geological database they feed is expected to be fully operational by the end of 2026. Basic information will be freely available, while access to more sensitive datasets will be charged for and weighed against both investor needs and Congo's strategic interests1. France's BRGM is among the partners helping to build the data bank and train Congolese staff2. At first, this looks like an amazing technical investment in mining infrastructure, but it is also something more interesting: an openly stated attempt to change who has access to information.

Mining companies have traditionally held an informational advantage over governments in resource-rich developing countries. A company arrives with geological expertise, capital and technology. The government has the mineral rights, but often lacks precise knowledge of what lies beneath them. Negotiations therefore do not take place between equal parties. Information matters because minerals are not like ordinary goods. Before a company spends billions developing a mine, it needs to know whether there is actually anything worth extracting. Geological surveys reduce that uncertainty. The more accurate the information, the easier it becomes to attract investment.

But information also has a price. If the Congolese state can map its mineral deposits itself, it becomes less dependent on companies to tell it what its resources are worth. It can identify promising deposits, compare competing investors and negotiate contracts from a stronger position. This is particularly important for Congo because the country sits at the centre of a growing geopolitical competition over critical minerals. China has established a powerful position in Congolese mining, particularly in cobalt and copper, while Western governments are increasingly concerned about dependence on Chinese-controlled supply chains. Both have struck separate agreements with Kinshasa, and the head of the national geological survey insists the database favours neither, with the same access rules applying to every company regardless of origin1.

For years, the conventional development story was simple: resource-rich countries needed foreign investment to turn natural wealth into economic growth. The assumption was that capital and technology would flow in, mines would be built, workers would be employed and tax revenues would follow. However, as times have changed, resources alone do not guarantee development today.

The problem is often not geological scarcity but institutional weakness. A country can possess enormous mineral wealth while receiving surprisingly little of its economic value if contracts are poorly negotiated, taxation is weak or corruption diverts revenues away from public investment. This is the familiar resource curse in a slightly different form. The question is not simply how much a country owns, but how much of the value it can capture.

Congo's geological database therefore represents something more significant than a collection of maps. It is an attempt to build state capacity. Development policy often focuses on attracting foreign capital: offer tax incentives, reduce regulation and make it easier for companies to invest. But there is another side to investment that receives less attention. A state needs the institutional capacity to negotiate with investors once they arrive.

Better geological information can help provide exactly that. There is, however, an obvious danger. Information can empower the state, but only if the state uses it effectively. If access to geological data becomes opaque or politically controlled, the database could simply create another opportunity for rent-seeking. Companies may also argue that restricting information discourages exploration by making it harder for smaller firms to compete.

Congo is therefore attempting a delicate balancing act: make enough information available to attract investment, while retaining enough control to prevent its natural resources from being undervalued. For decades, Congo's mineral wealth has been treated as a geological fact. The harder question is whether it can turn that wealth into bargaining power. The answer may depend on information, as although it is less tangible than cobalt or copper, it carries the added value of giving the state greater bargaining power over the resources beneath its soil.

Footnotes

  1. Reuters, Insight: Congo extends state control over mining with bid to lock down geological data (opens in a new tab), 8th September 2026. 2 3

  2. BRGM, Democratic Republic of Congo: the National Geoscience Data Bank (BNDG) (opens in a new tab), 4th July 2025.