Candice Horbacz
As Maine lawmakers commence the critical task of finalizing the state budget, a contentious proposal to significantly increase the income tax rate for high earners has ignited a fervent debate across the state. This initiative, which would elevate Maine’s top individual income tax rate to 9.15 percent, places the Pine Tree State at a crossroads, prompting a crucial decision on whether it will align with states pursuing higher tax burdens or those championing tax reductions to foster economic growth. This discussion unfolds against a national backdrop where a widening chasm has emerged in state income tax policies, with 23 states having lowered their top marginal income tax rates since 2021, while six have moved in the opposite direction, creating a stark contrast in fiscal philosophies.
The Proposed Surtax: Details and Endorsement
At the heart of the current legislative contention is a proposed 2 percentage point surtax on high earners, a measure recently endorsed by Governor Janet Mills (D). This surtax aims to increase the top marginal income tax rate from its current 7.15 percent to 9.15 percent for single filers reporting an income above $1 million. According to estimates from Maine’s revenue agency, this policy change is projected to generate an additional $74 million per year, primarily collected from an estimated 2,631 filers. While proponents argue that this revenue is vital for public services, critics immediately highlight significant concerns regarding revenue volatility due to the small pool of taxpayers affected. Furthermore, they warn that adopting one of the nation’s highest top income tax rates could have far-reaching economic repercussions, extending well beyond this limited demographic and potentially eroding the state’s overall economic competitiveness.
The specific legislative vehicle for this proposal is LD 1089, tellingly titled “An Act to Permanently Fund 55 Percent of the State’s Share of Education by Establishing a Tax on Incomes of More than $1,000,000.” This title suggests a direct and substantial link between the surtax and education funding, implying that the additional revenue would significantly contribute to Maine’s statutory obligation for education. However, a closer examination of the figures reveals a considerable discrepancy, a point that has become a major flashpoint in the debate.
Background and Context: The National Tax Policy Landscape
The current debate in Maine is not isolated but is part of a broader national trend reflecting diverse approaches to state fiscal policy. Over the past few years, a significant number of states have actively pursued tax reform initiatives aimed at reducing income tax burdens. States like Arizona, North Carolina, Iowa, and Georgia, for instance, have either implemented or are in the process of implementing significant cuts to their individual and corporate income tax rates. Their stated rationales often center on enhancing economic competitiveness, attracting businesses and talent, and retaining high-net-worth individuals within their borders. These states often cite studies suggesting that lower tax burdens stimulate investment, job creation, and overall economic dynamism.
Conversely, a smaller cohort of states, including New York and potentially Maine, have opted to increase tax rates, particularly on higher earners. The rationale behind these increases typically revolves around the need to fund critical public services, address income inequality, and ensure that wealthier residents contribute what is perceived as their "fair share" to state coffers. This divergence has indeed created a "widening gulf," where states are increasingly positioning themselves at either end of the tax spectrum. Maine’s decision to potentially join the ranks of high-tax states could have profound implications for its economic trajectory, distinguishing it from neighboring states and others actively competing for economic activity and population.
Historically, Maine has experienced various cycles of tax policy debates, often balancing the need for revenue with concerns about economic impact. The state’s fiscal policy has typically been shaped by its unique demographics, including an aging population and a significant reliance on small businesses. Previous discussions have included property tax relief, sales tax adjustments, and debates over income tax rates, making the current proposal a continuation of an ongoing effort to find a sustainable and equitable fiscal path.
Economic Concerns: The Impact on Maine’s Small Businesses
One of the most vocal criticisms of the proposed surtax centers on its anticipated adverse effects on Maine’s small business sector. Small businesses are the backbone of Maine’s economy, employing a substantial 55 percent of all workers across the state. The vast majority of these enterprises operate as pass-through businesses, such as S corporations, partnerships, and LLCs. This structural characteristic means that their business income is not subject to corporate income tax but is instead "passed through" to the owners and taxed on their individual income tax returns.
Data from the IRS unequivocally supports this connection. A significant 70 percent of Maine filers reporting over $1 million in adjusted gross income (AGI) had pass-through business income on their returns. Furthermore, an astonishing 48 percent of all pass-through business income was earned by filers with more than $1 million in AGI. These statistics underscore a crucial point: a tax on income above $1 million is, to a considerable extent, a direct tax on small business ownership and the entrepreneurial spirit that drives Maine’s economy.
Higher marginal income tax rates directly translate into reduced profitability for these small businesses. This immediately puts Maine-based enterprises at a competitive disadvantage when pitted against rivals operating in states with lower tax burdens. The economic theory of "decisions made on the margin" suggests that when the tax rate on the next dollar of income increases, business owners become less inclined to undertake activities that generate additional income. This can manifest in several ways:
- Reduced Investment and Growth: Businesses may delay or scale back plans for capital investments, such as purchasing new equipment, upgrading technology, or expanding facilities. This stifles innovation and future growth potential.
- Business Attrition: Some businesses, particularly those operating in highly competitive sectors or those with mobile owners, might consider relocating to more tax-friendly environments or simply ceasing operations in Maine.
- Lower Wages: To offset increased tax liabilities, businesses might be forced to limit wage increases for employees, potentially impacting the standard of living for many Mainers.
- Higher Prices: In some instances, businesses might attempt to pass on increased costs to consumers through higher prices for goods and services. However, the ability to do so often depends on market conditions and the competitive landscape, meaning this isn’t always a viable option.
Maine’s current economic outlook is already characterized by weakness, with the Maine Consensus Economic Forecasting Commission projecting zero employment growth between now and 2031. Against this backdrop, a tax increase that disproportionately burdens job creators and discourages investment could exacerbate these challenges, further dampening economic prospects and hindering the state’s ability to attract and retain talent.
Volatility and the "Millionaire" Misconception
Another significant concern surrounding the proposed surtax is the inherent volatility of the revenue it aims to generate. The base of approximately 2,600 filers subject to this tax is exceptionally small and inherently fragile. This demographic often includes individuals whose income fluctuates dramatically year-to-year, particularly those whose earnings are largely derived from business income or capital gains rather than consistent salaries.
Many filers might report $1 million or more in income only once or twice in their lifetime. This typically occurs during major life events such as the sale of a long-held business, the liquidation of a significant investment property, or the realization of substantial capital gains. For these individuals, the proposed surtax functions less as a recurring tax on consistent high earnings and more as a levy on the culmination of years of entrepreneurship, risk-taking, and diligent saving for retirement or future investments. It taxes gains that are realized in a single year but represent the accumulated value of many years of work and foresight.
This characteristic makes high-income tax revenue an unreliable source for funding recurring state obligations, especially those as critical and consistently growing as education. An economic downturn, a dip in the stock market, or a slowdown in business sales could significantly diminish capital gains and business income, causing revenues from the surtax to plummet unexpectedly. Such volatility can create instability in state budgets, making long-term financial planning challenging and potentially leading to future funding shortfalls for programs relying on this revenue. The departure of even a small number of these high earners, whether due to tax considerations or other factors, would not only directly reduce surtax revenues but also have a ripple effect across the broader state economy, impacting local businesses, services, and the overall tax base.
Historical Precedent: Lessons from Other States
The potential economic fallout from high top income tax rates is not merely speculative; there are tangible historical precedents from other states that have pursued similar policies. These examples offer cautionary tales that Maine lawmakers would do well to consider:
- California: In 2012, California voters approved increases to its top income tax rates. Subsequent analysis revealed that a combination of out-migration of residents and businesses, reduced in-state investment, slower economic growth, and sophisticated tax avoidance strategies eroded an estimated 61 percent of the anticipated revenue gains. Beyond the fiscal disappointment, these policies inflicted broader harm on the state’s economy, impacting its dynamism and competitiveness.
- New Jersey: Following its 2004 adoption of a new top rate of 8.97 percent for incomes above $500,000, New Jersey’s Department of the Treasury conducted an assessment that indicated a significant increase in out-migration. Over the subsequent five years, an estimated 20,000 additional residents left the state, many of whom were high-income earners and business owners, taking their economic activity and tax contributions with them.
- New York: The Citizens Budget Commission in New York found that the state’s share of the nation’s millionaires decreased notably, falling from 12.7 percent in 2010 to 8.7 percent in 2022. The Commission estimated that had New York maintained its share of millionaires, the state would have collected an additional $10.7 billion in individual income tax revenue in 2022 alone. This demonstrates the tangible financial cost of high-income earners opting to relocate.
These examples underscore a critical reality in modern economics: both individuals, particularly high-net-worth individuals, and businesses are increasingly mobile. With numerous other states actively pursuing tax reform and offering competitive tax relief packages, Mainers and prospective residents have more alternatives than ever before. A 9.15 percent top income tax rate could not only deter those considering moving to Maine or starting new businesses but also prompt current residents and entrepreneurs to seek opportunities elsewhere.
Education Funding: A Closer Look at the Proposal’s Claims
The title of LD 1089, "An Act to Permanently Fund 55 Percent of the State’s Share of Education by Establishing a Tax on Incomes of More than $1,000,000," creates an impression that the proposed surtax would be a substantial and enduring solution for Maine’s education funding needs. However, a closer examination of the figures reveals a significant disparity between the claim and the reality.
Maine’s General Purpose Aid budget for the upcoming fiscal year is projected to be $1.56 billion. In stark contrast, the proposed new surtax is estimated to raise only $74 million per year. This means that the surtax would cover approximately 2.6 percent of Maine’s total education spending, not the 55 percent implied by the bill’s title. Furthermore, the notion of "permanently funding" education through this mechanism is highly questionable.
Maine’s education budget has been rising rapidly, even when adjusted for inflation. In fiscal year 2018, the state’s share of the education budget was $1.28 billion, translating to approximately $7,084 per student. By fiscal year 2027, spending is projected to increase to around $9,159 per student, despite a concurrent decline in student enrollment. This trend indicates that education spending is growing at a pace that significantly outstrips the potential revenue generation from the proposed surtax, especially given the inherent volatility of its income base.
As previously noted, high income, largely composed of business and capital gains income, is particularly susceptible to economic fluctuations. Relying on such a volatile revenue source to fund recurring and steadily increasing obligations like education is fiscally unsound. A bad year in the financial markets or a slowdown in business activity could easily wipe out anticipated revenues, leaving the state scrambling to cover essential education costs. Therefore, even if one were to overlook the broader economic harms, the proposed increase would not provide a permanent or stable solution to Maine’s education funding challenges.
Broader Impact and Implications for Maine’s Competitiveness
The overarching implications of this tax proposal extend far beyond the immediate fiscal calculations. Maine’s decision on the surtax is a declaration of its economic philosophy and its vision for future prosperity. In a national environment where states are actively competing for businesses, investment, and talent, adopting one of the highest top income tax rates could severely hamper Maine’s ability to attract and retain these vital economic drivers.
The "ripple effect" of high earners and businesses choosing to leave or avoid Maine would be substantial. These individuals and entities contribute significantly to the state’s economy not only through direct tax payments but also through their spending, investment in local businesses, philanthropic activities, and job creation. Their departure would not only diminish the tax base but also reduce demand for local services, suppress real estate values, and stifle entrepreneurial activity.
The modest amount of revenue Maine stands to collect from this high-rate income tax—an estimated $74 million—pales in comparison to the potential long-term damage it could inflict on the state’s economic competitiveness and growth trajectory. Lawmakers face the critical task of weighing the immediate, albeit limited, revenue gains against the broader, potentially more profound, and enduring economic costs. The decision made in the coming weeks will send a clear signal about Maine’s commitment to fostering a vibrant, competitive economy for all its residents.
