By Adonis Byemelwa
Dar es Salaam — The political departure of Emmanuel Nchimbi has taken a sharper turn than his resignation alone suggested. One day after the Vice President announced that he would leave office and retire from politics, the ruling Chama Cha Mapinduzi (CCM) expelled him from the party and endorsed Energy Minister Deogratius Ndejembi as its nominee for the Vice Presidency.
The speed of the sequence has raised questions about what happened inside Tanzania’s ruling establishment, even as the party maintains that its action was a matter of discipline.
CCM Secretary-General Asha-Rose Migiro said on Wednesday that the party’s Central Committee and National Executive Committee had considered disciplinary and ethical matters involving Nchimbi and concluded that the party’s constitution, rules and regulations had been violated. The National Executive Committee then unanimously resolved to expel him.
That explanation establishes the party’s position, but leaves an important question unanswered: what specific conduct did Nchimbi commit?
CCM has publicly referred to violations of discipline and ethics, but it has not, in the statements reported so far, identified the particular act or acts that led to his expulsion. That distinction matters. The party has announced a punishment; it has not yet publicly provided the full factual basis for that punishment.
Nchimbi’s own explanation for leaving office was also unusual. On August 25, he announced that he would resign as Vice President effective September 4 and retire from politics and public service.
He said he had become convinced that President Samia Suluhu Hassan wanted a different Vice President and that he was fulfilling a commitment he had made before taking office to step aside if she wanted a change. President Samia accepted the resignation.
The sequence therefore leaves two accounts running alongside each other. Nchimbi presented his departure as the fulfilment of a promise to the President. CCM, a day later, presented his expulsion as the consequence of violations of party discipline and ethics. Neither explanation, by itself, fully explains the other.
The timing does not prove that the two events were part of a coordinated political rupture. But it makes the relationship between them difficult to ignore.
There is another reason the episode has attracted attention. Nchimbi’s resignation statement was published through his Instagram account, which had reportedly been inactive since March 2023.
That unusual method of communication added to public curiosity, although the account’s inactivity does not, by itself, establish anything about the circumstances of his resignation.
The constitutional-reform debate provides another piece of the puzzle, but not yet the missing answer. In July, Nchimbi publicly encouraged Tanzanians to pursue a new Constitution.
His intervention attracted attention precisely because he was not an opposition politician or civil-society activist but the sitting Vice President and a former CCM Secretary-General. Reuters reported that his remarks had caused controversy within the party, with some party members regarding them as unnecessary.
That makes constitutional reform a relevant part of the political context. It does not, however, establish that his support for a new Constitution caused his resignation or expulsion.
That distinction is crucial. There have also been reports of disagreements between Nchimbi and the President over governance and the government’s handling of the political tensions that followed the October 2025 election. International reporting has linked his departure to broader disagreements over the country’s political direction.
But neither President Samia nor Nchimbi has publicly provided a detailed account saying that those disagreements caused the rupture. The most responsible reading, therefore, is that there may have been deeper political disagreements, but the available public evidence does not yet establish their precise nature or their relative importance.
That restraint is particularly important when discussing the 2030 succession. Political succession is inevitably part of Tanzania’s long-term political calculations, but there is currently insufficient public evidence to conclude that disagreements over who should eventually lead the country were the principal cause of Nchimbi’s departure.
The same caution should apply to descriptions of Nchimbi as a “reformer”. His recent advocacy for constitutional reform and his earlier public interventions on political tolerance help explain why some observers viewed him in that light.
But he was also a senior CCM politician who had served as the party’s Secretary-General and became Vice President under President Samia. His political identity cannot be reduced to either “reformer” or “loyalist”.
What is more significant is that his departure has reopened a question about the space for internal disagreement within Tanzania’s dominant political party.
For some citizens in Dar es Salaam, the episode may be viewed primarily through the lens of constitutional reform and political accountability. The city was where Nchimbi made his recent public intervention on the Constitution, and it is also where CCM’s emergency deliberations concerning his membership took place.
Some residents may regard the party’s decision as legitimate disciplinary action; others may find the absence of a detailed explanation troubling. The evidence does not support portraying either reaction as dominant, but the competing interpretations are already visible in the wider national debate.
In Dodoma, the emphasis is likely to be more institutional. Parliament’s fourth meeting opened on August 26, placing the political drama alongside the formal business of government. The question is not only who replaces Nchimbi, but how the transition is handled under the Constitution and what it says about the relationship between party decisions and state institutions.
That distinction matters because CCM can choose its nominee, but the Vice Presidency is a constitutional office. The nominee must pass through the constitutional appointment process and receive parliamentary approval. Ndejembi’s endorsement by CCM therefore does not, by itself, make him Vice President.
In Shinyanga, the political interpretation may be more closely connected to everyday concerns. For citizens whose immediate priorities are employment, agriculture, roads, electricity, water and the cost of living, the change at the top of government may appear distant unless it affects the government’s performance.
At the same time, sudden changes involving senior national leaders can create concern about political stability and whether internal disagreements might distract the government from economic and social priorities.
The important point is not to claim that residents of these cities think alike. They do not. The episode can simultaneously produce confidence in the ruling party’s ability to enforce its rules, sympathy for a departing senior politician, concern about constitutional reform, and simple indifference among citizens more concerned with daily economic pressures.
That mixture of reactions is more revealing than claims of a national mood. Ndejembi’s nomination raises another question: what does President Samia want from her next Vice President? With experience as a district commissioner, MP, deputy minister and minister, Ndejembi offers administrative continuity and allows government to move quickly.
Yet it would be premature to see his appointment as proof that the President wanted a less ambitious deputy. He comes from within the government structure, signalling continuity without revealing the reasoning behind his selection.
The constitutional position surrounding Nchimbi’s departure remains unsettled. His resignation was to take effect on September 4, but CCM’s expulsion raised questions about whether losing party membership immediately affected his eligibility. Legal experts disagree: some say his eligibility ended immediately, while others argue he remained Vice President until September 4. The issue therefore requires constitutional interpretation, not speculation.
The episode raises questions about party discipline, constitutional eligibility, executive authority and internal political disagreement. So far, it does not prove a constitutional crisis or a 2030 succession struggle. Nor is it simply routine. CCM has not publicly specified the conduct behind Nchimbi’s expulsion. Until it does, the public is left with competing interpretations of an abrupt political rupture.