Candice Horbacz
A growing debate is challenging the World Health Organization’s (WHO) preferred methodology for tobacco taxation, specifically its recommendation that taxes account for at least 75 percent of the final retail price. While the WHO advocates for robust tobacco taxation as a critical public health intervention, tax policy experts and economists are increasingly questioning the effectiveness and equity of targeting a tax share of retail price, arguing that it reflects a flawed ideology and creates significant practical and economic drawbacks. This approach, critics contend, often overlooks crucial economic realities, leading to inconsistent policy outcomes, exacerbating financial strain on vulnerable populations, and inadvertently fueling illicit trade.
The WHO’s Public Health Imperative and Tobacco Control Framework
The World Health Organization has long championed comprehensive tobacco control as a cornerstone of global public health. Tobacco use remains one of the leading preventable causes of death worldwide, responsible for over 8 million deaths annually, including 1.2 million from exposure to second-hand smoke. The economic burden is equally staggering, encompassing healthcare costs and lost productivity. In response, the WHO developed the Framework Convention on Tobacco Control (FCTC) in 2003, an international treaty ratified by 182 parties, committing countries to implementing evidence-based measures to reduce tobacco demand and supply.
A key component of the FCTC, further elaborated in the WHO’s MPOWER package (Monitor, Protect, Offer help, Warn, Enforce bans, Raise taxes), is increasing taxes on tobacco products. The rationale is straightforward: higher prices deter consumption, particularly among young people and lower-income groups, and generate revenue that can be earmarked for health services or general government funds. Within this framework, the WHO’s technical guidance has increasingly emphasized a specific target: taxes comprising at least 75 percent of the retail price of tobacco products. This recommendation aims to achieve significant price increases, thereby discouraging consumption and improving public health outcomes.
The Economic Pitfalls of Price Share Targets
However, the seemingly straightforward goal of a 75 percent tax share of retail price masks complex economic challenges. Tax policy experts argue that retail prices are inherently volatile and influenced by numerous market factors—such as manufacturing costs, distribution networks, retail competition, and even currency fluctuations—over which policymakers have little to no direct control. Basing a tax target on a percentage of this fluctuating value introduces significant unpredictability and can lead to economically inefficient or ineffective outcomes.
The fundamental issue, according to critics, is that price shares are a poor measure of efficient or effective tax policy. A tax accounting for 75 percent of a €2 product is vastly different in its economic impact from one accounting for 75 percent of a €20 product. Consumers experience the tax burden in absolute monetary terms (e.g., an extra €1.50 or €15), not as an abstract percentage. Similarly, governments collect revenue in absolute terms. Behavioral responses—whether consumers reduce consumption, switch products, or seek illicit alternatives—are driven by these absolute monetary burdens, not by arbitrary percentages embedded in retail prices.
Effective tax policy should be designed with clear objectives: to generate a predictable stream of revenue and to influence specific behaviors. An ad valorem tax (a percentage of the price) inherently ties tax revenue and burden to market price fluctuations, making it less stable than an ad quantum or specific excise tax, which is a fixed monetary amount per unit (e.g., €X per pack of 20 cigarettes). Policymakers can directly control an ad quantum rate, adjusting it to meet revenue targets or achieve desired price levels, independent of market-driven price changes.
Inconsistency, Lack of Clarity, and Global Disparities
A significant criticism leveled against the WHO’s 75 percent tax incidence target is its lack of consistent definition and practical applicability across diverse global contexts. The WHO’s Technical Manual suggests that the 75 percent target includes all taxes—import duties, excise taxes, and Value-Added Taxes (VAT) or Goods and Services Taxes (GST)—but its inclusion often depends on whether cigarettes are domestically manufactured or imported, creating definitional ambiguities. At other times, the guidance appears to suggest that fiscal policymakers should focus solely on excise duties. This shifting and often unclear guidance complicates implementation for national authorities striving to conform.
Furthermore, the global adoption rates reveal the target’s practical limitations. According to the WHO’s own data on tobacco taxation, out of 178 countries for which it collects and reports data, only 39 (a mere 22 percent) manage to meet the recommended 75 percent tax incidence rate. A closer look at these 39 countries reveals a stark imbalance: 25 are classified as high-income countries by the World Bank, and 20 of these are within the European Union. This demographic concentration suggests that the benchmark is not universally representative or achievable. Policies that may function adequately within the robust economic frameworks and strong enforcement capabilities of high-income nations, particularly within the integrated EU market, do not necessarily translate effectively to less-developed countries facing different economic conditions, administrative capacities, and market structures.
Socio-Economic Implications: The Regressive Nature of Excise Taxes
Beyond the technicalities of tax design, the broader socio-economic implications of high, price-based tobacco taxes warrant serious consideration. Excise taxes, by their nature, are regressive. They disproportionately affect lower-income individuals because these taxes consume a larger percentage of their disposable income compared to higher-income individuals. Tobacco use, unfortunately, is often more prevalent among lower-income populations, making them particularly vulnerable to significant price increases.
In an era of rising costs for housing, groceries, fuel, and other essential goods, layering another steep increase on a product disproportionately purchased by lower-income residents risks deepening financial strain for households already struggling to meet basic needs. Policymakers must recognize that while the intent of reducing consumption is laudable, the method of achieving it can have severe equity consequences. The pursuit of a high tax incidence, especially when linked to a volatile retail price, can inadvertently exacerbate poverty and create additional burdens for those least able to bear them.
Moreover, it is crucial to distinguish between tax incidence (the ratio of tax to retail price) and tax burden (the actual monetary cost borne by consumers or producers). A high tax incidence does not automatically equate to a high tax burden, nor does a low incidence imply a low burden. For example, Bangladesh might exhibit a high tax incidence but a relatively low absolute tax burden due to very low retail prices, while Germany could have a lower tax incidence but a much higher absolute tax burden due to significantly higher pre-tax prices. This disparity arises because tax incidence is calculated by dividing total taxes by the retail price, which includes pre-tax manufacturing and distribution costs. These underlying costs vary substantially geographically, influenced by local economic conditions, retail competition, and production efficiencies, all factors beyond government control.
Advocating for Ad Quantum Taxation: A More Controllable Alternative
Instead of targeting a measure they don’t fully control, such as retail prices, tax policy is better aimed at a target they do have control over: a specific tax rate. An ad quantum tax, defined in euros, dollars, or local currency per unit (e.g., per pack of cigarettes), offers a far superior policy target. This approach provides several advantages:
- Predictability and Stability: Ad quantum taxes offer predictable revenue streams for governments, as the tax collected per unit is fixed and less susceptible to market fluctuations in manufacturing costs or retail pricing strategies.
- Direct Policy Control: Policymakers can directly adjust the ad quantum rate to achieve specific revenue goals or to influence consumer prices by a precise amount, making policy interventions more transparent and measurable.
- Simplicity in Administration: Fixed-rate taxes are generally simpler to administer and enforce for tax authorities and easier for businesses to comply with, reducing administrative burdens.
- Targeted Behavioral Influence: If the policy goal is to raise the price of legal cigarettes by a certain amount to discourage consumption, targeting an ad quantum rate directly achieves this. Basic economics confirms a strong positive correlation between the absolute retail price of cigarettes and tax yield in currency terms.
The Double-Edged Sword: Illicit Trade and Unintended Consequences
A critical, often overlooked, consequence of excessively high tobacco taxes, particularly those that drive retail prices steeply upwards, is the incentive for illicit trade. Consumer responses to tax increases vary substantially across products, income groups, and markets. As taxes rise, substitution to cheaper alternatives, avoidance through cross-border purchases, and engagement with illicit markets can all significantly affect tax collections and public health outcomes. The relationship between higher tax rates and higher revenue is neither linear nor universal; beyond a certain point, increased rates can lead to diminishing returns or even a net loss in revenue due to widespread evasion.
Higher tax rates create a powerful incentive for tax evasion and illicit activity. Consumers and suppliers actively seek ways to circumvent these costs. In cigarette markets, this manifests in several ways:
- Cross-border shopping: Consumers in high-tax jurisdictions travel to neighboring low-tax regions to purchase tobacco products.
- Smuggling: Organized criminal networks engage in large-scale smuggling of legitimate products from low-tax countries into high-tax ones.
- Counterfeiting: Illicit manufacturers produce fake tobacco products, often of unknown quality and content, to avoid all taxes and regulations.
- Untaxed domestic production: Illegal, unregulated production of tobacco products within a country.
Data from the European Union vividly illustrates this phenomenon. In 2022, it was estimated that over 10 percent of cigarettes consumed in the EU were counterfeit or contraband, representing nearly 42 billion cigarettes that bypassed legitimate markets. This illicit trade resulted in an estimated loss of approximately €16.7 billion in taxes for Member States. Unsurprisingly, smuggling is most heavily concentrated in countries where tax rates are among the highest. For instance, in Ireland and France, more than a third of cigarettes consumed are not legally purchased within those countries. Analysis suggests that across the EU, an additional euro of tax per pack of 20 cigarettes can increase smuggling by roughly 7 percent.
Case Studies: Ireland’s Experience and Global Lessons
Ireland serves as a poignant example of the challenges inherent in relying solely on high taxes to curb smoking. With the highest cigarette tax in the EU at €10.71 ($12.58) per pack, Ireland has pursued an aggressive taxation strategy. However, despite these exorbitant tax rates, smoking rates have remained stubbornly high. The country’s ambitious goal to decrease smoking rates to less than 5 percent by 2025 was missed by a factor of more than three, with smoking rates persisting at approximately 17 percent. This outcome strongly suggests that in jurisdictions with well-established illicit cigarette markets, achieving the WHO’s target has been unsuccessful from both a public finance perspective and in terms of meaningfully reducing tobacco consumption.
Similar patterns are observed globally. In many developing countries, where enforcement capabilities may be weaker and informal economies more prevalent, drastic increases in tax rates, especially those that create a vast price differential with neighboring countries, threaten to exacerbate existing problems in illicit cigarette markets and spur the development of new ones.
Undermining Public Health Goals and Regulatory Oversight
Beyond the fiscal implications, illicit consumption directly undermines public health goals. Products that avoid tax regimes also evade regulatory oversight designed to protect consumers. Illicit cigarettes often do not comply with health warnings, ingredient disclosures, or manufacturing standards. They may contain higher levels of harmful substances, be sold to minors more readily, and offer no accountability in legal systems for injuries caused. By targeting tax incidence without robust consideration for market dynamics and enforcement, the WHO risks inadvertently fostering a shadow economy that bypasses all public health safeguards.
A Call for Refined, Evidence-Based Policy
The debate surrounding the WHO’s 75 percent tax incidence target underscores a critical need for a more nuanced and evidence-based approach to tobacco taxation. While the overarching goal of reducing tobacco consumption through taxation is widely supported by public health advocates and economists alike, the methodology employed must be pragmatic, equitable, and effective.
Policymakers should move beyond arbitrary price benchmarks and instead focus on tax designs that:
- Prioritize ad quantum (specific) excise taxes: These offer greater predictability for revenue, direct control for policymakers, and clearer signals for consumers.
- Consider local economic realities: The "right" level of taxation is profoundly different from one country to the next, depending on the level of economic development, existing public policy objectives, enforcement capabilities, and the prevalence of illicit trade. A one-size-fits-all target ignores this critical diversity.
- Conduct robust impact assessments: Before implementing significant tax increases, governments should assess the potential for increased illicit trade, the regressive impact on lower-income populations, and the overall effect on public health outcomes.
- Implement comprehensive tobacco control: Taxation should be part of a broader strategy that includes public awareness campaigns, cessation support services, marketing restrictions, and robust enforcement against illicit trade.
In conclusion, by fixating on a universal tax incidence target, the WHO risks mistaking higher prices for guaranteed public health improvements and increased tax revenues. This approach ignores critical differences in existing tax systems, consumer behavior, and the products being taxed, while potentially spurring greater tax evasion and illicit trade. A more effective path forward involves evidence-based reforms that directly target harmful consumption through controllable tax rates, improve overall tax design, and are meticulously tailored to the specific context of each nation.
