In a dramatic shift that has reverberated across the auto industry, a new NBER working paper reveals that Elon Musk’s high-profile entry into partisan politics has cost Tesla over a million U.S. electric vehicle sales between October 2022 and April 2025. This unprecedented drop, attributed directly to Musk’s public image and political activities, marks a rare instance where a CEO’s personal brand has so visibly impacted a major corporation’s fortunes.
From Progressive Icon to Political Lightning Rod
For years, Tesla cultivated a reputation as a progressive, environmentally conscious brand, attracting a loyal customer base in liberal-leaning regions. That image changed abruptly when Musk began supporting Republican campaigns with nearly $300 million in donations and accepted a leadership role in the Trump administration’s Department of Government Efficiency. These moves, according to the NBER study, “antagonized his most loyal customer base,” leading to a sharp decline in Tesla’s appeal among its traditional buyers.
Data backs up this sentiment: blue-state counties, once Tesla’s strongholds, saw a steep drop in new registrations, with California’s Tesla market share falling to 46.2% in the third quarter of 2025. California registrations declined 9.4% in Q3 2025 year-over-year.
Competitors Surge as Tesla Stumbles
The fallout from Musk’s political pivot has been a windfall for Tesla’s rivals. As former Tesla owners sought alternatives, legacy automakers and new entrants alike saw their EV sales surge by 17% to 22%. Ford, GM, Hyundai, and Kia all reported significant gains. In California, Toyota became the state’s top-selling brand with 17.4% market share compared to Tesla’s 9.8%, while the Toyota Camry overtook the Tesla Model 3 as the best-selling passenger car, though the Tesla Model Y remained California’s top-selling vehicle overall through Q1 2025.
Industry experts note that this is a rare case of nearly one-for-one substitution: “For almost every customer Tesla lost, a competitor gained one,” the NBER researchers found. The shift has forced dealerships to pivot quickly, with many now promoting rival EVs more aggressively and reducing their Tesla inventories.
Global Repercussions and a New Power Balance
Tesla’s troubles have not been confined to the U.S. In Europe, Tesla registrations in January 2025 were roughly half of the previous year’s level, and German sales plunged over 70% in February. Australia saw a similar collapse, with Tesla deliveries down more than 70%. Meanwhile, Chinese automaker BYD surged ahead, selling 318,000 vehicles in February 2025—a 161% year-over-year increase—further eroding Tesla’s global dominance.
This global realignment is reshaping the electric vehicle landscape. BYD now claims 22.2% of the global EV market, compared to Tesla’s 10.3%. European brands like Volkswagen and Renault are also capitalizing, offering aggressive promotions and expanding their EV lineups to attract former Tesla customers.
Economic Fallout
The sales collapse has triggered significant economic consequences. Tesla announced layoffs affecting over 6,000 workers in Texas and California in mid-2024 as part of broader restructuring efforts. Other EV makers have also adjusted their workforce, with Rivian announcing approximately 600 layoffs in October 2025 amid shifting market conditions.
Tesla has been working to diversify its battery supply chain, signing a $4.3 billion deal with LG Energy Solution for U.S.-made lithium iron phosphate batteries to reduce reliance on Chinese suppliers amid tariff pressures. The impact is felt acutely in communities built around Tesla’s gigafactories, with local businesses and suppliers experiencing ripple effects across regional economies.
Political Scrutiny and the Debate Over CEO Influence
Musk’s political activities and business leadership have drawn sharp criticism from lawmakers. Senator Elizabeth Warren has repeatedly raised concerns about potential conflicts of interest. As early as 2022, before Musk’s government appointment, Warren wrote to Tesla’s board chair about Musk’s responsibilities during his Twitter acquisition, stating: “That responsibility includes ensuring that Mr. Musk is an effective CEO and that he fulfills his legal obligation to act in the best interests of Tesla and all of its shareholders, not just himself.” With Musk’s subsequent appointment to a government role, Democratic legislators have continued questioning whether such dual responsibilities could undermine shareholder value and public trust.
Globally, the episode has sparked debate about the risks of CEO activism and how deeply a CEO’s public image can affect corporate performance. The Tesla case stands in stark contrast to other markets, such as China, where BYD’s leadership has maintained a lower political profile.
A Market in Flux
As Tesla’s U.S. market share drops from 75% in early 2022 to 43.5% by early 2025, the electric vehicle sector faces a period of intense competition and rapid change. Dealers and consumers are adjusting to a new reality, with more brands and models vying for attention. Policymakers worry that shifts in EV adoption rates could impact progress toward climate goals, particularly in states like California.
The coming months will test whether Tesla can regain its footing by rebuilding trust and introducing new models, or if rivals will continue to capitalize on the sales decline. What is clear is that the intersection of business leadership and personal politics now has the power to reshape entire industries—and the future of electric mobility hangs in the balance.