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Does the names “Lake Nyasa or Lake Malawi” define who own it?

Lake Nyasa vs Lake Malawi ownership dispute between Tanzania and Malawi

Map showing the disputed boundaries of Lake Nyasa (Lake Malawi) between Tanzania and Malawi.

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Malawian former president, Bakili Muluzi, has purposed to marshall regional arbitration efforts to resolve a long standing dispute of who owns Lake Nyasa to Tanzanians or Lake Malawi to the Malawians. 

Similar efforts through SADC never bore any fruit, and were abandoned. 

Malawi is armed to the teeth with an outdated colonial map to make a claim where the Lake boundary is, signifying how difficult Africa can erase the disruptive impacts of colonialism. 

Tanzania hinges her Lake Nyasa territorial claims upon the 1982 UN Convention on the Law of the Sea. 

Lake Malawi/Niassa/Nyasa is the third deepest freshwater lake in the world. 

This article dives deep into this colonial legacy which Malawians consider an urgent matter for resolution while in Tanzania it is a case of mistaken identity. 

During the presidency of Banda wa Malawi in the mid 1960s, similar agitations to claim the whole of the Lake belonging to them were silenced with songs in the morning and in the evening to stop that irredentist in his tracks. 

Until his removal from office, Banda wa Malawi did nothing to realize his wild dreams of chopping off a huge chunk of Tanzania, and make it part of his tiny country. 

In those warlike songs, we cautioned Banda wa Malawi to be content with what God had given him or hell would break loose. 

Our message was loud and clear: contentment or the barrel of gun would sort this border dispute, once and for all! 

The border dispute dates back to colonial treaties, with Malawi relying on the 1890 Anglo-German Treaty that places the whole lake within its borders, while Tanzania invokes the 1982 UN Convention on the Law of the Sea, which suggests a median boundary. 

The 1890 Anglo-German Treaty was not made by Africans but was crafted by colonial powers to suit their Imperial aims which African realities on ground were not taken into account. 

Of more glaring fact was before colonisation, Africans had no demarcated borders in manner colonial powers had operationalized. 

Whatever borders the colonial powers instituted defied traditional user rights of the people who were already there, eking out a decent living. 

I will cite one example. Before the 1890 Anglo-German Treaty residents on either side of the Lake enjoyed user rights like fishing, domestic usage of waters and nobody curtailed those rights. However, under the 1890 Anglo- German Treaty which was revoked by 1982 UN Convention on the Law of the Sea because that agreement had shortchanged traditional users on the other side of the Lake. 

Of more significance, those traditional users on the side of Malawi called Lake Malawi while those on the Tanganyika side called it Lake Nyasa. 

Those on our side prided the Lake based on their own ethnic identity while those on the other side did the same. 

Interestingly, the locals on either side of the equation share vernacular identites. 

Contrarian to that, Lake Tanganyika which borders four countries there is a consensus the name is not in dispute and does not define user rights. 

The lake is shared among four countries namely Burundi, Democratic Republic of the Congo (DRC), Tanzania and Zambia, with DRC holding 45 % and Tanzania 41 %. 

The major outflow is the Lukuga River, which empties into the Congo River system. Lake Tanganyika is the second largest fresh water lake in the world by volume and the second deepest lake after Lake Baikal in Siberia. 

So, sticking to a name and some utopian colonial map to assert or deprive traditional user rights is courting unnecessary conflicts which will benefit nobody. 

Of interest there is Mozambique that has claims to ownership of the Lake Malawi but Malawians do not challenge those rights raising a troubling concern that Malawi may have other hidden agendas stoking the dispute. 

Historical origins of the problem. 

Lake Malawi or Lake Nyasa – the Malawi and Tanzanian name preferences, respectively – dominates the eastern border of Malawi. It is the third largest lake in Africa at 568 km long and sometimes stretches to a width of 80 km. 

The 1890 Heligoland–Zanzibar Treaty between Great Britain and Imperial Germany agreed the boundary between the then British colony of Nyasaland – now Malawi – and German East Africa, which in time became Tanzania. 

The treaty set the boundary along the Tanganyika side of the lake shore. The whole of the lake became part of Nyasaland. 

But these decisions were taken without consulting Africans, who should have had a say. They created more problems in Africa than they solved. 

People living around the northern shores of the lake are very much related. 

They speak the same language, have the same culture, and share the same beliefs. Today’s challenge – who owns the lake – would not have existed at all were it not for the treaty. 

The lake constitutes about a third of the entire territory of Malawi. Malawi’s economic life, culture, folklore and national sentiment are indistinguishably linked to the lake. 

Tanzania, too, derives considerable value from the lake. It has navigation and fishing rights; the lake supports a large number of artisanal fishermen; and there are ancestral burial places that now lie under the water. 

The major problems with ownership rights in this dispute is not disposal rights since they are nonexistent but user and exclusionary ones. 

If Malawi has its way, it means traditional user rights of those in Tanzania side would be permanently extinguished contrary to the 1982 UN Convention on the Law of the Sea that has preserved those rights. 

It is inconceivable that such rights will begin to be exercised and secured through Malawian permits and payment of taxes! 

Tanzania has also made arguments on the basis of its fishing economy, historical claims, and the 1982 UN Convention on the Law of the Sea. 

Yet Malawi’s challenge to the 1982 UN Convention on the Law of the Sea was not actively pursued as government policy, and it effectively lapsed. Instead, in line with the Cairo Declaration, Malawi refused to recognise the the revocation of the The 1890 Heligoland–Zanzibar Treaty between Great Britain and Imperial Germany. 

Tanzania’s first president, Julius Nyerere, never conceded the boundary as I have strenuously dilated much earlier in this discussion. 

Tanzania on her part has began building Mbamba Bay port. 

The port of Mbamba Bay will be an important driver of the Southern market, increasing cargo and efficiency at Mtwara’s port. 

The Mtwara Development Project is a major infrastructure development project involving southern Tanzania, northern Mozambique, eastern Malawi and Eastern Zambia. The goal of this project is to provide road, rail and waterway access from the surrounding region to the Port of Mtwara. 

Cargo from Mtwara Port will be transported by road to Mbamba Bay Port, which has the shortest distance and the lowest cost for transferring cargo to Malawi. 

The procurement process to find a contractor is on-going and compensation payments to people who were relocated to pave the way for the project have been made. 

The Mbamba Bay project was crucial for economic growth in the southern part of Tanzania. Malawi has formally requested Tanzania to suspend the project, a move likely to escalate tensions between the neighbouring countries. 

Tanzania has also issued a geographical map which shows the median line was the boundary of Lake Nyasa adding fears to the Malawians who would love colonial legacies upheld in their favour! 

Potential Fossil riches now stoking the dispute. 

Malawi long had resigned about their fate until the then Malawian president Bingu wa Mutharika came to power in October 2011 awarded a a UK company a contract to start oil and gas exploration in the eastern part of the lake. 

The contract included exploration within the Tanzanian-claimed area. 

Tanzania resisted but Bingu wa Mutharika persisted until his death in April 2012. His brother, Peter Mutharika succeeded him but sought SADC mediation effort to resolve the border dispute. 

SADC appointed former Mozambican president Joaquim Chissano as chief mediator, alongside former South African and Botswana presidents Thabo Mbeki and Festus Mogae. 

In 2017, the mediators gave the disputants three months to come to a final resolution after both countries stuck to their positions. 

The SADC didn’t make headway and presidents of Malawi, Lazarus Chakwera and his Tanzanian counterpart declared the border dispute was a nonstarter. 

Fearing the Lake Malawi border dispute would soar relationship with Tanzania, landlocked Malawi hamstrung with poverty has attempted to diversify her access to the Indian Ocean through Beira port in Mozambique but internal squabbles stoked by official graft allegations, political instability in Mozambique, devastated by Tropical Storm Freddy (2023) has constrained it. 

Malawi is in a hot soup and has to decide how to carry out a balancing act of forging fossil extractions in Lake Nyasa without jeopardizing the relationship with her mightier neighbour, Tanzania. 

The two countries could even consider become one country and dissolve potential colonial alienation of indigenous rights instead of legitimising those colonial injustices. 

Once a one country, Malawians will not lay claim to Lake Nyasa only but will call all large waters as Malawians that include Lake Victoria, Tanganyika, Eyasi, Manyara, Natron and the Indian Ocean too. How delightful that could be? 

Malawi may take a leaf how the British solved a potential border dispute between Kenya and Sultan of Oman who was a ruler of Zanzibar where the 1892 Treat that Malawi touts her territorial claims was inked. 

The British quickly before granting Kenya independence in 1964 knew unless a border dispute with Zanzibar was resolved they would be leaving behind a

potential border dispute. The British told the Oman Sultan to relinquish any claims to the coastal areas for a compensation of a piece of cloth of similar size of the land forgone. 

The British in their wisdom told the Oman Sultan, Kenyans would not accept that the coastal areas were not part of Kenya based upon their traditional user rights. 

The Oman Sultan was understanding and he accepted the offer. Malawians ought to learn Tanzania will never extinguish user rights to Lake Nyasa based on some colonial relic. 

The Lake was given to us to exploit its natural resources from the Beginning to the End, and nobody else would tell us otherwise.

 

Learn more about who will win the African Union Commission Chairperson?

The author is a Development Administration specialist in Tanzania with over 30 years of practical experience, and has been penning down a number of articles in local printing and digital newspapers for some time now.

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Paul Mtoliro
Paul Mtoliro
5 days ago

Malawi needs TZ for its economic devt. currently it is committing suicide

Ngwee Kabaghe
Ngwee Kabaghe
5 days ago

A Rebuttal to Misconceptions About the Malawi-Tanzania Boundary on Lake Malawi

The assertion by a Tanzanian writer that the boundary between Malawi and Tanzania lies in the middle of Lake Malawi is historically and legally flawed. Such statements, if left unchecked, risk creating unnecessary conflict and instability in the region. Let us address this issue comprehensively by considering historical treaties, legal precedents, and the dangers of dismissing colonial boundaries.

1. Historical Treaties and Legal Framework

The most authoritative document regarding the boundary of Lake Malawi is the 1890 Anglo-German Heligoland Treaty, signed between Britain and Germany. Article I of the treaty clearly states:

> “…the boundary follows the eastern shore of Lake Nyasa [Lake Malawi], leaving the entire lake to Her Britannic Majesty’s sphere of influence…”

This treaty, negotiated and signed during the colonial era, forms the foundation of Malawi’s claim to the entire lake, except for portions near Mozambique. Tanzania, as the successor state to German East Africa, inherited its borders from colonial agreements. Similarly, Malawi inherited its boundaries as they stood at independence in 1964.

2. The Principle of Uti Possidetis Juris

This legal doctrine, upheld by international law, ensures that newly independent states maintain the colonial borders they inherited at independence. The International Court of Justice (ICJ) has consistently reaffirmed this principle in cases such as the Burkina Faso v. Mali (1986) and the Cameroon v. Nigeria (2002) disputes.

Applying this principle to the Malawi-Tanzania dispute clearly supports Malawi’s claim to the entirety of Lake Malawi, as these were the boundaries inherited at independence. Tanzania’s unilateral reinterpretation of boundaries would violate this widely recognized legal standard.

3. Geographical Evidence and Maps

Historical maps created by colonial authorities, including British and German cartographers, consistently depict the boundary along the eastern shore of Lake Malawi. The Tanganyika Boundary Commission (1956) further corroborates this position. Tanzanian claims to a median line boundary lack historical backing.

4. Implications of Ignoring Colonial Boundaries

Rejecting colonial-era treaties and principles like uti possidetis juris sets a dangerous precedent for Africa. Virtually all African states have borders derived from colonial demarcations. If Tanzania’s claim were accepted, it would open the door for other countries to demand boundary adjustments, leading to widespread conflicts over territorial claims.
Examples of disputes that escalated due to border disagreements include:

Eritrea-Ethiopia War (1998-2000): Over 70,000 lives were lost due to a boundary disagreement.

Somalia’s claims over Ogaden (Ethiopia) and northeastern Kenya: These disputes have fueled instability in the Horn of Africa.

African leaders recognized this danger during the 1964 OAU Cairo Declaration, where they agreed to respect inherited borders to avoid conflict. Tanzania’s position contradicts this important resolution.

5. Tanzania’s Misinterpretation of the Law of the Sea (1982)

Tanzania often refers to the United Nations Convention on the Law of the Sea (UNCLOS) to justify a median-line claim. However, UNCLOS applies to maritime boundaries, not inland water bodies like Lake Malawi. The ICJ clarified in the Nicaragua v. Honduras (2007) case that lakes are governed by specific bilateral or historical agreements, not general maritime principles.

6. Recommendations for Lasting Peace

Malawi and Tanzania must prioritize dialogue and peaceful resolution through mediation or arbitration, as recommended by international law. However, this dialogue must respect existing legal frameworks and treaties. Institutions like the ICJ or the African Union Border Programme can facilitate fair arbitration if necessary.

Conclusion

The boundary dispute between Malawi and Tanzania is not a matter of opinion but one rooted in historical facts, legal principles, and treaties. Tanzania’s claim to a median line on Lake Malawi disregards established international law and sets a precedent that could destabilize Africa. For the sake of peace and regional stability, both nations must honor the borders they inherited, as mandated by uti possidetis juris and the 1890 Heligoland Treaty.

By adhering to these principles, Malawi and Tanzania can avoid unnecessary conflict and ensure a harmonious coexistence for future generations.

Pemphero
Pemphero
5 days ago
Reply to  Ngwee Kabaghe

Excellent article. Get that the biased writer of this article.

Rutashubanyuma Nestory
Rutashubanyuma Nestory
5 days ago
Reply to  Ngwee Kabaghe

It seems you rushed to your perceived tropes to invalidate colonial injustices on the Nyasas who are not Malawians. You will do well to address whether it is right for imperialistic inclinations to revoke their traditional user rights bestowed to them by God?

There is nothing to negotiate my proposal is based on take it or leave it. Tanzania will never extinguish traditional user rights of her people based on an outdated colonial document that our ancestors were not even consulted.

The best solution lies not in a negotiated settlement nut in dissolution of colonial imposed boundaries. We never acceded to them and now we have no reason to respect them.

Sangea
Sangea
5 days ago

Very bad article that aims to undermine the sovereignty of the Republic of Malawi.

Rutashubanyuma Nestory
Rutashubanyuma Nestory
3 days ago
Reply to  Sangea

Malawi sovereignty is intact and us unaffected by this discourse. The rest is a matter of interpretation.

By the way do you accept Nyasa on Tanzanian side to stop drinking fresh water from Lake Nyasa? Is thay the way you will keep your sovereignty?

Pemphero
Pemphero
5 days ago

Broadly you are saying that the current land borders set up by the said 1890 treaty should be equally disregarded and Malawi has legitimate right to claim Southern Tanzania including a sea port because Malawi uses it for its international trade.

Rutashubanyuma Nestory
Rutashubanyuma Nestory
5 days ago
Reply to  Pemphero

More than that Malawi should also claim the whole of Africa just every African. Let us dissolve colonial boundaries and have one beautiful Africa

Rehema
Rehema
5 days ago

As I can see from the above Map,Tanzania is Owner of big place over such water, but make it in winwin situation u can call the Lake “TAMA” Means Lake of both Tanzania n’ Malawi.

Rutashubanyuma Nestory
Rutashubanyuma Nestory
3 days ago
Reply to  Rehema

The best way is Tanzania and Malawi to unite and become one niigata country. Then all the colonial tethers will disappear.

Then naming the two country TAMA will make a lot of sense.

Andrew
Andrew
4 days ago

Banda, the former Malawi president used to claim that the land surrounding Lake Nyasa as all Malawian. That included all northwestern Mozambique and south western Tanzania land bordering the lake. Malawi should continue to pursue this angle and if successful, legitimate it’s claim to the whole lake. Further, Heligoland should be in the equation; and if Malawi wants the whole lake so badly, she should ask the Europeans to surrender Heligoland to Tanzania since it’s territory was exchanged for it! Otherwise we should just settle for the middle of the lake boundary and move on! Our people from both sides of the lake can’t comprehend the conflict!

Rutashubanyuma Nestory
Rutashubanyuma Nestory
4 days ago
Reply to  Andrew

Britain ceded the islands to Germany in 1890 in the Heligoland–Zanzibar Treaty. The newly unified Germany was concerned about a foreign power controlling land from which it could command the western entrance to the militarily-important Kiel Canal, then under construction along with other naval installations in the area and thus traded for it. A “grandfathering”/optant approach prevented the inhabitants of the islands from forfeiting advantages because of this imposed change of status.

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