Food-shock propagation in 2026: from CPI to political risk

The 2026 setup #

World cereal stocks ended the 2025 to 2026 marketing year at the tightest stocks-to-use ratio since 2013. The FAO Food Price Index averaged 127.8 in March 2026, up 11 percent year on year. Wheat and rice are the two grains that move politics, and both are in a thin-buffer regime.

Three shock vectors are live for 2026. The first is Black Sea wheat: roughly 28 percent of world wheat exports originate from Russia, Ukraine, Romania, and Bulgaria combined. A repeat of the 2022 corridor disruption, a sanctions escalation, or a single bad harvest in the Russian south takes 15 to 25 million tonnes out of the export pool inside one quarter. The second is Indian rice. India accounts for around 38 to 40 percent of global rice exports. The September 2023 broken-rice ban and parboiled-rice export duty raised the global price floor by roughly 15 percent within six months. A renewal or extension during 2026 would do the same. The third is sugar. Brazilian center-south cane yields slipped in the 2025 and 2026 cycles, and ethanol parity continues to pull cane away from sugar. Indian sugar exports remain restricted into 2026.

None of these shocks needs to be catastrophic to be politically expensive. The propagation chain is short and the buffer countries are thin.

The propagation chain in five stages #

Stage one is the futures market. Chicago wheat, Kansas City wheat, MATIF milling wheat in Paris, Thai 5 percent broken white rice, and ICE No. 11 raw sugar move within hours of any credible disruption headline. The 2022 Black Sea episode pushed CBOT wheat from roughly 7.50 to over 13 dollars per bushel inside three weeks. The 2023 Indian rice ban moved Thai 5 percent broken rice from 470 to 650 dollars per tonne in two months.

Stage two is freight and FX. Bulk dry freight (Baltic Panamax and Supramax indices), insurance war risk premia in the Black Sea and Red Sea, and the local-currency price of dollars all add cost between the futures board and the landed cargo. For a country like Egypt or Pakistan running a managed exchange rate against thin reserves, the FX leg often moves more than the underlying grain price.

Stage three is landed import price. Government grain authorities, large millers, and state buyers issue tenders. The price they clear at, plus tariffs and port handling, becomes the wholesale floor inside the country.

Stage four is domestic CPI. Food carries a 30 to 55 percent weight in CPI baskets across the eight countries in this brief. A 25 percent move in landed wheat or rice translates into a 4 to 12 point contribution to headline inflation depending on pass-through and the share of staples in the basket. Pass-through is fastest where bread and rice are the dominant calorie source and where domestic milling is concentrated.

Stage five is fiscal and political. Governments running bread subsidies, fuel subsidies, or both face a budget arithmetic problem. Either the subsidy bill blows out, or the consumer price moves, or both. The political layer prices the choice. Bread riots are not metaphor in this set of countries. Tunisia 1984, Egypt 1977, Sudan 2019, Sri Lanka 2022 are the reference points, not edge cases.

Wheat-import dependence: the eight-country picture #

Wheat import dependence varies sharply across the eight countries this brief tracks. Egypt is the world's largest single wheat importer in absolute volume. Lebanon and Tunisia are nearly fully import-dependent. Pakistan and Bangladesh produce most of their own wheat but cover the marginal calorie with imports. Nigeria and Kenya import the bulk of their wheat. Sri Lanka imports almost all of it.

The number that matters for shock propagation is not absolute import volume. It is the import-to-consumption ratio combined with the share of imports coming from any single origin (Russia, Ukraine, India, Australia, France, the United States). High concentration multiplies origin-shock exposure.

CPI food share: the inflation transmission coefficient #

The food share of the CPI basket sets the slope of the line from a commodity-price move to headline inflation. In rich economies food carries 10 to 15 percent. In the eight countries below, food carries 30 to 55 percent. A 20 percent move in landed staple prices that yields 60 percent pass-through translates into a 3.6 to 6.6 point headline CPI contribution. That is a central-bank-breaking number in any country with anchored inflation expectations and a managed exchange rate.

Cereal share inside the food basket then sets the wheat- and rice-specific transmission. Bangladesh and Sri Lanka run rice-heavy cereal baskets. Egypt, Tunisia, and Lebanon run wheat-heavy cereal baskets. Nigeria and Kenya are mixed wheat, maize, rice. Pakistan is wheat-heavy with a meaningful rice and pulses tail.

Fiscal subsidies: the budget-line shock absorber #

Six of the eight countries operate explicit consumer-facing food or fuel subsidy programs. The bread subsidy is the cleanest example. Egypt's baladi bread program covers roughly 70 million people, holds the price of subsidized loaves at 5 piastres for decades, and consumed approximately 2.1 percent of GDP in fiscal 2024 to 2025 after a March 2024 price adjustment from 5 to 20 piastres for some categories. Tunisia's Compensation Fund covers bread, semolina, cooking oil, and fuel. Pakistan runs a wheat procurement and ration shop system through provincial governments. Nigeria's fuel subsidy was nominally removed in May 2023 and has crept back in partial forms.

These programs are the political shock absorber. They are also the fiscal line that breaks first. When wheat moves 25 percent, every subsidized program that holds consumer prices flat absorbs the difference on the budget. IMF programs in Egypt, Pakistan, Sri Lanka, and Tunisia all carry conditionality on subsidy reform. Each of those governments faces the same 2026 question: pass through the wheat move and accept the political cost, or hold the consumer price and accept the IMF and rating-agency cost. The middle option, partial pass-through with targeted cash transfers, requires administrative capacity that not every country has.

IPC phase counts: the food-insecurity floor #

The IPC (Integrated Food Security Phase Classification) maps the population in each of five phases: minimal, stressed, crisis, emergency, and catastrophe. The floor matters because shocks move people up phases. A 20 percent landed-staple move in 2026 can be expected to push 8 to 15 percent of the stressed population into crisis in the most exposed countries.

The data here is regional rather than purely country-level for several countries because IPC analyses cover specific geographies (drought-affected ASALs in Kenya, conflict-affected northeast in Nigeria, post-collapse Lebanon, post-flood Sindh in Pakistan, Cox's Bazar refugee population in Bangladesh).

Country profile: Egypt #

Egypt is the structural high-stakes case. Population 112 million, the largest single wheat importer in the world, baladi bread covers two-thirds of the population, and the government just spent 2024 and 2025 on a bruising IMF-anchored adjustment that included a 300 percent depreciation against the dollar between early 2022 and March 2024. Headline inflation peaked above 38 percent in September 2023 and has come down to 14 percent by March 2026.

A 25 percent move in landed wheat in 2026 hits a fiscal position that is materially better than 2022 (USD 8.0 billion IMF program disbursing, USD 35 billion Ras El Hekma deal closed in February 2024, FX reserves above USD 47 billion in early 2026) but a population that is two years deeper into a real-income compression. Pass-through to baladi bread prices is politically gated. Pass-through to non-subsidized bread, baked goods, and pasta is fast. Watch the EGP, the central bank's reserve money growth, and the bread queue length in greater Cairo as parallel signals.

Country profile: Bangladesh, Pakistan, Sri Lanka #

Bangladesh runs a 55.9 percent food-weighted CPI basket, the highest in this brief. Domestic rice production covers roughly 95 percent of consumption in a normal year, but the wheat gap is filled almost entirely by imports, with Russia at the largest single share. The interim government installed in August 2024 inherited an IMF program and a slow-motion banking-sector stress. Wheat moves transmit through atta and bread prices into the urban inflation print, which then transmits into garment-worker wages and the political risk profile in Dhaka and Chittagong.

Pakistan is wheat-heavy in calories but only 10 percent import-dependent. The shock vector is different: domestic wheat procurement support prices, provincial-level subsidy reform conditionality under the IMF program, and the fact that flour millers and the political class in Punjab are tightly coupled. The 2024 wheat scandal that helped end the Punjab caretaker government's tenure illustrates how domestic wheat policy is itself a political risk channel.

Sri Lanka is fully wheat-import-dependent. The 2022 collapse, the 2023 IMF program, and the 2024 election produced a government with limited fiscal headroom. Rice is domestically produced and politically protected. The wheat channel is narrower than the rice channel for transmission, but FX scarcity and tariff-rate quotas make any landed-price move arrive amplified.

Country profile: Lebanon, Tunisia #

Lebanon is in a state of monetary collapse that started in 2019 and has not stabilized. The Banque du Liban policy framework, the parallel exchange rate, the unresolved bank deposit losses, and the 2024 conflict spillover have left an economy where headline inflation is reported above 40 percent and the food CPI carries an even steeper print. Wheat imports cover essentially all consumption. The 2020 port explosion destroyed the main grain silo and reserve buffer was never rebuilt. Any 2026 wheat move arrives with no buffer and into a state apparatus that cannot run a meaningful subsidy program.

Tunisia is the textbook subsidy-state case. The Compensation Fund spent roughly 4.1 percent of GDP in 2024 across food and fuel. The IMF Extended Fund Facility negotiated in 2022 stalled in late 2023 over subsidy reform conditionality. Wheat is 75 percent imported, with Ukraine historically the largest origin. The Office des Cereales handles state procurement. Any wheat shock in 2026 lands directly on the Compensation Fund line, then on the budget deficit, then on the dinar, then on the consumer if the fund cannot absorb. Bread and semolina are the politically hardest prices to move in Tunisia. The 1984 bread riots remain operative memory.

Country profile: Nigeria, Kenya #

Nigeria has the highest food CPI print in the eight-country set: 37.9 percent year on year in March 2026. The post-2023 reform package (fuel subsidy removal, FX unification, Tinubu administration agenda) collided with insecurity in food-producing states, naira depreciation from 460 to over 1,500 per dollar across 2023 and 2024, and a wheat import basket that is 92 percent dependent on imports. Bread, noodles, and pasta are middle-class staples in Lagos and Abuja. Maize and rice carry the calorie load in lower-income segments. A 2026 wheat shock compounds an already historically high inflation regime.

Kenya runs a smaller wheat exposure in absolute terms but a politically sharp one. The 2023 to 2024 finance bill protests and the 2024 Gen Z movement showed that fiscal tightening hits the street fast. Maize is the political grain, and a parallel maize shock in East Africa (drought, fall armyworm, disrupted regional trade) compounds the wheat channel. The IMF program has been challenging to advance, and any 2026 food shock complicates the fiscal arithmetic immediately.

The political pass-through: where shocks become risk #

The empirical regularity is that food-price shocks raise the probability of urban unrest within 6 to 18 months. The 2007 to 2008 and 2010 to 2011 spikes correlate with the Arab Spring, the 2008 Haiti riots, the 2011 Mozambique riots, and several others. Academic work (Bellemare, Berazneva and Lee, Hendrix and Brinkman) has put quantitative bounds on the elasticity. A 10 percent move in the FAO Food Price Index correlates with roughly a 10 percent rise in food-related riot incidence in import-dependent low- and middle-income countries.

The transmission is not deterministic. State capacity, subsidy programs, security forces, and prior political grievance all moderate the relationship. But the directional signal is robust enough to inform sovereign-credit, supply-chain, and operational risk decisions. The eight countries in this brief are at the high end of the exposure curve.

The 2026 watch list, in priority order: Egypt (size and IMF anchor), Lebanon (no buffer), Tunisia (subsidy line maturity), Nigeria (already-elevated inflation), Pakistan (provincial wheat politics), Bangladesh (urban inflation feeding labor unrest), Sri Lanka (post-program fragility), Kenya (fiscal-protest channel).

What enterprises and policy teams should do now #

Three working assumptions are defensible for 2026 planning.

One. Treat a 15 to 25 percent wheat or rice shock as a realistic scenario, not a tail. Stocks-to-use is tight, weather has been actively bad in producer regions in the 2025 to 2026 cycle, and the policy reaction function in major exporters (Russia, India, Vietnam) leans toward export restriction at the first sign of domestic price pressure.

Two. The pass-through window from futures to landed import price is roughly 30 to 60 days. From landed to CPI is another 30 to 90 days depending on inventory cycles. From CPI to political risk is 6 to 18 months with wide variance. This means the first quarter of any shock is a futures and FX story, the second to fourth quarter is a fiscal and inflation story, and the second year is the political-risk story.

Three. The differentiator across the eight countries is not import volume. It is the interaction of fiscal headroom, subsidy program design, IMF program status, and prior political stress. Egypt has fiscal cover and a tested administrative apparatus. Lebanon has neither. Tunisia is in between with a subsidy program that is itself the constraint. Nigeria has reform momentum and a high inflation print already. The propagation chain is the same. The shock-absorption capacity is not.

Sovereign credit teams, multinationals with revenue exposure to these markets, NGO operations, food and beverage companies sourcing inputs locally, and policy teams advising any of the above need a country-specific read on the chain rather than a generic commodity view. The chain is mappable and the watch points are observable in real time.

Anchor platform: Ceres #

This brief is built on the analytic stack that powers Ceres, the consultancy's food and agriculture platform. Ceres tracks AMIS market monitor releases, FAO GIEWS country bulletins, USDA WASDE, the FAO Food Price Index, IPC and FEWS NET phase classifications, NASA POWER and CHIRPS weather data, and the central-bank and statistics-office releases that propagate the shock into CPI prints and policy responses. The platform is configured to model the five-stage chain described above for any of the eight countries in this brief, plus 30 additional import-dependent markets, with named-scenario simulation against historical analogs (1972, 2008, 2011, 2022).

More on the platform at /platforms/ceres. To scope a country-specific or portfolio-level read on 2026 food-shock exposure, reach out via /engage.

Sources #

• FAO Food Price Index
• AMIS Market Monitor
• IPC Food Insecurity Phase Classification
• USDA WASDE
• World Bank Pink Sheet
• NASA POWER weather
• FAO GIEWS country briefs
• USDA FAS PSD Online
• IMF World Economic Outlook April 2026
• FEWS NET