Foreign residents in Japan should prepare for another wave of food price increases as major manufacturers announce widespread price hikes on everyday kitchen staples. Kewpie and Ajinomoto, two of Japan's largest food producers, have announced they will raise prices on mayonnaise, seasonings, and a broad range of other products, according to NHK. The price increases affect items that are fixtures in Japanese kitchens and commonly used by expats who cook at home. Both companies cite rising costs of raw materials and packaging materials as the primary drivers behind the decision. This marks the latest in a series of price increases that have affected Japan's food sector over the past several years, continuing to impact household budgets across the country. Kewpie, best known for its iconic mayonnaise in the squeeze bottle with the baby logo, will be raising prices across its product lineup. The company's mayonnaise is a staple condiment in Japan, used in everything from okonomiyaki and takoyaki to potato salad and sandwich spreads. Beyond mayonnaise, Kewpie produces dressings, pasta sauces, and other condiments that are widely available in supermarkets throughout Japan. Ajinomoto, another household name in Japan, will similarly increase prices on its seasoning products. The company produces a wide array of cooking essentials including its namesake MSG seasoning, Hon-Dashi stock powder, Cook Do stir-fry sauces, and various other flavor enhancers and cooking aids that many residents rely on for preparing Japanese and Asian dishes at home. The companies attribute the price increases to escalating costs throughout their supply chains. Raw material prices have been rising globally, affecting everything from cooking oils and eggs used in mayonnaise production to the various ingredients required for seasonings and sauces. Additionally, packaging materials have become more expensive, adding further pressure on manufacturers' costs. These factors have left companies with little choice but to pass some of these increased expenses on to consumers. For expats living in Japan, these price hikes come at a time when the cost of living has already been climbing. Food prices have been particularly volatile, with multiple rounds of increases across various categories over recent years. The weakened yen has contributed to higher import costs for ingredients, while domestic production costs have also risen due to increased energy prices and labor costs. The timing and specific percentage increases have not been detailed in the initial announcements, but foreign residents should anticipate seeing higher prices on these products in the coming months. This is part of a broader trend affecting the Japanese food industry, where numerous manufacturers have implemented or announced price increases across their product ranges. Expats who regularly purchase these products may want to consider several strategies to manage their food budgets. Buying in bulk before price increases take effect, when specific dates are announced, could provide short-term savings. Exploring alternative brands or store-brand products may offer more economical options, though quality and taste preferences vary. Some residents may also consider making certain condiments from scratch, such as salad dressings or basic seasonings, though this requires time and effort. It's worth noting that these increases are not isolated incidents but reflect ongoing economic pressures facing Japan's food industry. Companies have generally tried to absorb rising costs where possible, but sustained increases in input prices eventually necessitate adjustments to retail prices. As global commodity markets remain volatile and supply chain challenges persist, additional price adjustments across various food categories may continue in the months ahead. Foreign residents should monitor announcements from retailers and manufacturers for specific implementation dates and percentage increases to better plan their household budgets accordingly.