Chickpeas vs. Chicken: A Comprehensive Comparison

Chickpeas and chicken sit on opposite sides of the plate, but both are celebrated for their protein. The core question is which is better for your health, the planet, and animals — and the evidence is clear: chickpeas win on environmental impact, animal welfare, and cost, while chicken offers a denser protein profile with vitamin B12 and more absorbable iron. This comparison looks beyond the macros to examine climate footprint, land and water use, nutrition, and practical everyday implications.

Whether you're a dedicated flexitarian or simply curious, the data shows that swapping even a few chicken meals for chickpeas each week can slash your dietary emissions by up to 40% per meal, according to Our World in Data. You don't have to go fully plant-based to make a meaningful difference. Below, we break down every angle — from carbon numbers to cooking tips — so you can choose with confidence and compassion.

How they compare

Chickpeas and chicken sit on opposite sides of the plate, but both are celebrated for their protein. The core question is which is better for health, the planet, and ethics — and the evidence points clearly to chickpeas for environmental and animal welfare, though chicken wins on certain nutrient density. Chickpeas are a legume, a plant-based protein staple across South Asia, the Mediterranean, and the Middle East, while chicken is the world's most consumed meat. They share a similar protein density per 100 grams when cooked, but their production systems, nutritional profiles, and ethical costs are worlds apart.

Climate and land

Chickpeas have a far lighter climate footprint than chicken, with roughly one-seventh the greenhouse gas emissions per gram of protein. According to Our World in Data, producing 100 grams of protein from chickpeas emits about 0.9 kg of CO₂ equivalent, while chicken emits roughly 6 kg for the same protein. That is nearly seven times higher for chicken, driven by feed cultivation, processing, and waste.

Land use follows a similar pattern. Chicken requires about 8.5 square metres per 100 grams of protein, whereas chickpeas need around 1.0 square metre, according to the same dataset. This difference is because chickens must eat feed (often soy and maize) grown on vast croplands, while chickpeas are the crop themselves, with nitrogen-fixing benefits that reduce fertiliser needs.

Water use is more nuanced. Chickpeas typically rely on rainfall dryland farming, but in irrigated regions they can consume significant water. Chicken, however, embeds water in feed production plus drinking water, with estimates suggesting several hundred litres per kilogram of meat. On balance, chickpeas use considerably less water per gram of protein in most production systems, as highlighted by a 2018 study in Science on global food impacts.

"Key stat: swapping one chicken meal for a chickpea meal saves roughly 5 kg of CO₂e per 100g of protein — about the same as driving 20 km in a typical petrol car." (Our World in Data, 2023)

Lifecycle and feed efficiency

The environmental gap stems largely from feed conversion. Chickens must eat 1.5–2 kg of feed (crops like soy and maize) to gain 1 kg of live weight, according to FAO data (2023). That feed itself requires land, water, fertiliser, and transport, multiplying the footprint.

Chickpeas, as a crop, skip this trophic step entirely. They also fix atmospheric nitrogen through root symbiosis, reducing synthetic fertiliser needs — a double win for emissions and soil health, as reported by the Food and Agriculture Organization (FAO, 2021).

Additionally, chickpea cultivation supports crop rotation, breaking pest cycles and improving soil structure. This regenerative aspect is often overlooked in simple footprint comparisons.

Animal welfare

Chicken farming inherently involves animal suffering, from the selective breeding of broiler birds for rapid growth to the crowded, ammonia-laden sheds in which most UK chickens are raised. The RSPCA notes that standard broiler chickens may suffer from lameness, heart failure, and painful contact dermatitis.

Chickpeas are a plant, so no sentient being is raised or killed for them. Even organic and free-range chicken, which improve welfare, still end with slaughter and usually involve male chicks being culled. Choosing chickpeas avoids these ethical burdens entirely.

For those not ready to give up chicken entirely, choosing higher-welfare (e.g., RSPCA Assured or organic) reduces suffering but does not eliminate it. The ethical case for chickpeas strengthens when considering the sheer scale: over 1 billion chickens are slaughtered annually in the UK alone, per Defra statistics.

Nutrition

Chicken is a concentrated protein source, delivering about 27 grams per 100 grams cooked, with a complete amino acid profile. It also provides vitamin B12, a nutrient essential for nerve function, and haem iron, which is absorbed more efficiently than plant iron.

Chickpeas offer less protein per serving but make up for it with fibre, which supports gut health, and a lower saturated fat content. Their amino acid profile is limited in methionine, but pairing them with grains like rice or pitta bread creates a complete protein. For vegans and vegetarians, chickpeas are a cornerstone, though they should monitor B12 and iron intake from other sources.

For someone replacing chicken with chickpeas, attention to these nutrients is wise, but a varied diet can close the gaps. Here’s how to address the main gaps:

• B12: Obtain from fortified plant milks, nutritional yeast, or a supplement (common in vegan diets).
• Iron: Pair chickpeas with vitamin C (e.g., lemon juice in hummus) to boost non-haem iron absorption.
• Protein: Increase portion size or combine with quinoa, tofu, or dairy if not fully vegan.

Cost and availability

Chickpeas are consistently cheaper than chicken. In UK supermarkets, a 400g can of chickpeas costs roughly 40–60 pence and provides about 240g drained, while the same weight of chicken breast can cost £2–£3. Dried chickpeas are even more economical, at around £1 per 500g.

Availability is similar; chickpeas are found in every supermarket, often dried or canned, and chicken is ubiquitous. But chickpeas have a longer shelf life, both canned and dried, reducing food waste. Chicken must be refrigerated and used within days, while dried chickpeas last for years.

A simple weekly swap can yield savings. If you replace three chicken breast meals (300g each) with chickpeas, you could save roughly £5–£7 per week, or £260–£365 per year, based on UK supermarket averages (2024).

Practical cooking swaps

Making the switch is easier than you think. Chickpeas are incredibly versatile and can mimic the texture of chicken in many dishes. Here are three proven swaps:

1. Curry: Use chickpeas instead of chicken in a tikka masala or korma — same spices, same richness.
2. Salads: Toss roasted chickpeas over a Caesar or Greek salad for crunch and protein.
3. Burgers: Mash chickpeas with breadcrumbs and spices for a hearty patty, as popularised by BBC Good Food.

For best results, dry-roast canned chickpeas at 200°C for 20 minutes to crisp them, then add to stir-fries or wraps.

Regional angles

In South Asia, the Mediterranean, and the Middle East, chickpeas are already a cultural staple — from chana masala to hummus and falafel. These regions have long recognised their protein and fibre value, as noted by the International Centre for Agricultural Research in the Dry Areas (ICARDA).

In Western countries, chicken dominates, but chickpea consumption is rising. The UK market saw a 25% increase in chickpea sales between 2019 and 2023, according to Kantar data. This shift reflects both environmental concern and a growing appetite for plant-based cuisine.

Common objections

"Chickpeas aren't a complete protein." True, but you don't need complete protein at every meal. Your body pools amino acids over the day, and eating grains or nuts alongside chickpeas easily covers methionine, as explained by the British Dietetic Association.

"Chicken is necessary for iron." Chicken's haem iron is better absorbed, but chickpeas plus vitamin C (like lemon juice) can match total absorption for most people, according to the National Institutes of Health (2023).

"Chickpeas cause bloating." Soaking dried chickpeas overnight, rinsing canned ones, and gradually increasing intake helps most people, per a 2020 review in Nutrients.

Which should you choose

If your priorities are lower environmental impact, cruelty-free food, and lower grocery bills, chickpeas are the clear winner. They are also an excellent choice for most health goals, especially with fibre and heart-friendly fats.

However, if you rely on chicken for B12 and highly bioavailable iron, or if you follow a low-carbohydrate diet, chicken may be your practical choice. The honest answer is that most people would benefit from more chickpeas and less chicken, even if they don't go fully plant-based. Swapping even half your weekly chicken meals for chickpeas cuts emissions, land use, and cost without requiring a complete diet overhaul.

Chickpea curry with rice and naan in a pan.

What you can do next

Start with a single swap this week — replace one chicken meal with a chickpea-based dish like a curry or salad. Track your savings and environmental impact using free calculators like the BBC Climate Change Food Calculator. Over time, aim for two or three swaps weekly; each one matters.

For broader impact, share your swap with friends or on social media with #KindEcoSwap. Collective action amplifies individual choice.

"Bottom line: chickpeas beat chicken on climate, land, animal welfare, and cost, with only minor nutritional trade-offs that any varied diet can fix. The best choice for most people is more chickpeas, less chicken."

Trade-offs and practical considerations

The honest trade-off between chickpeas and chicken is not that chickpeas are superior in every dimension, but that they excel where it matters most for planetary and ethical health, while chicken retains advantages in nutrient density and culinary convenience. Chickpeas lose on protein concentration per forkful, vitamin B12 content, and the ease of hitting high protein targets for athletes. Chicken loses catastrophically on carbon, land, water, welfare, and cost per gram of protein. The practical question is whether you can cook chickpeas in ways that satisfy your palate and protein needs — and the answer is yes, with a little planning.

One overlooked trade-off is cooking time and planning. Dried chickpeas require soaking and 60–90 minutes of simmering, whereas chicken breast cooks in 15 minutes. Canned chickpeas solve this, but they carry a higher sodium load unless rinsed. Chicken also has a neutral flavour that absorbs sauces readily, while chickpeas have a nutty, earthy taste that may not suit every cuisine. However, roasted chickpeas, hummus, falafel, and chickpea curries demonstrate that flavour versatility is achievable with modest effort. For meal prep, chickpeas are actually more forgiving — they reheat well and don't dry out, unlike chicken.

Texture is the final trade-off. Chicken provides a firm, meaty bite that many find satiating, and mimicking that texture with chickpeas is possible but not identical. Mashed chickpeas can form patties, and whole chickpeas add heft to stews, but they will never shred like a breast. Accepting this difference opens creative possibilities rather than forcing imitation.

"Bottom line: chickpeas demand more culinary imagination and a supplement or fortified foods for B12, but they offer a 7x lower carbon footprint, 8x less land, and a fraction of the cost — a trade most home cooks can embrace." (Our World in Data, 2023)

Common objections and honest answers

"But chicken is a complete protein, and chickpeas aren't."

Yes, chicken provides all essential amino acids in one piece, so it is a complete protein. Chickpeas are low in methionine, but this is easily corrected by pairing them with grains — rice, pitta, or a slice of bread — within the same day. The World Health Organization notes that complementary proteins do not need to be eaten in the same meal; your body pools amino acids over 24 hours. A hummus sandwich on wholemeal pitta delivers a complete profile. For athletes, a larger portion or adding a plant protein powder closes the gap entirely.

"I need iron, and plant iron is poorly absorbed."

Plant iron (non-haem) is absorbed at a lower rate than animal iron (haem), but you can enhance absorption by consuming vitamin C alongside. Squeeze lemon juice over chickpea salads, add tomatoes to curries, or pair with bell peppers. A 2020 review in the American Journal of Clinical Nutrition found that non-haem iron absorption can increase by up to six-fold when vitamin C is present. For those with diagnosed anaemia, combining chickpeas with fortified cereals or a supplement is prudent, but the gap is manageable for most people.

"Chicken is just easier — I don't have time to soak beans."

Canned chickpeas are ready to eat in 30 seconds. They are pre-cooked, shelf-stable, and cost less than a chicken breast. For meal prep, you can roast a batch of chickpeas on Sunday and add to salads all week. Dried chickpeas require planning, but you can soak them overnight and cook in a slow cooker while at work — zero active time. The perceived convenience is a habit, not a reality, once you build a rhythm.

"What about local, free-range chicken? That must be sustainable."

Free-range and organic chicken have better welfare and slightly lower footprints than industrial broilers, but they are still far more carbon-intensive than chickpeas. A 2023 study by the University of Oxford found that even the lowest-impact chicken has a carbon footprint roughly 10 times that of legumes per 100g of protein. Additionally, free-range chicken costs £3–£5 per breast, making it inaccessible for many. Chickpeas remain the better ethical and environmental choice, regardless of production method.

Regional angle: the picture in the UK, US, Canada, and Australia

For English-speaking readers, the chickpea-chicken comparison varies by region due to farming practices, subsidies, and culinary culture. In the United Kingdom, chicken is the most consumed meat — around 20 kg per person annually, per Defra (2023) — and chickpeas are cheap imports, mainly from Canada, India, and Australia. The UK's climate is not ideal for chickpea cultivation at scale, so the carbon savings of eating chickpeas are slightly offset by shipping emissions, but studies show this remains overwhelmingly positive versus local chicken.

In the United States, chickpeas (often called garbanzo beans) are grown mainly in the Pacific Northwest, particularly in Idaho and Washington. The USDA reports that US chickpea acreage nearly tripled between 2015 and 2020, making them a domestic crop rather than a distant import. Chicken production, however, is industrialised and cheaper per pound than almost anywhere else, which makes the economic argument for chickpeas less stark. Even so, canned chickpeas at $1 per can versus chicken breast at $3–$4 per pound still favour chickpeas, and American hummus consumption has grown 25% annually over the past five years, per market analysts.

Canada is the world's largest exporter of chickpeas, particularly from Saskatchewan and Alberta, so the local populations have fresh, competitively priced chickpeas year-round. Canadian chicken is heavily supply-managed, keeping prices high (£7–£9 per kg), which makes chickpeas an even more attractive economic alternative. In Australia, chickpeas are a significant summer crop in Queensland and New South Wales, and the nation ranks among top global exporters. Australian chicken is affordable, but chickpeas are also widely grown and prized in the multicultural cuisine of the region, making them a staple in households from South Asian to Mediterranean backgrounds.

Across all these regions, the environmental logic is constant: chicken, even when locally sourced, still carries the burden of feed farming and animal metabolism. Chickpeas, whether domestic or imported, avoid that trophic step. Regional provenance matters for freshness and price, but never overturns the fundamental 7x carbon gap. For English-speaking readers, the practical advice is to prioritise locally grown chickpeas where available, but do not let import distance become a rationalisation for choosing chicken — shipping is a small slice of the footprint pie.

Comparison table: a holistic snapshot

Practical checklist for swapping chicken to chickpeas

If you are ready to reduce chicken consumption in favour of chickpeas, work through this checklist to make the transition smooth and nutritionally complete:

• ✅ Stock your pantry: Keep 3 canned chickpeas and 1 bag of dried chickpeas. Rinse canned ones to cut sodium by about a third.
• ✅ Plan a weekly swap: Replace one chicken meal per week with a chickpea meal, such as a chickpea curry, hummus bowl, or roasted chickpea salad.
• ✅ Pair for protein completeness: Combine chickpeas with rice, pitta, quinoa, or a small dairy serving to ensure all amino acids.
• ✅ Add vitamin C for iron: Include lemon juice, tomatoes, bell peppers, or broccoli in the same meal.
• ✅ Fortify B12: If you are fully vegan, add a B12 supplement or incorporate fortified nutritional yeast (2.4 µg per serving) into salads or sauces.
• ✅ Manage portions: For an athlete needing 30g protein, eat 1.5 cups cooked chickpeas (about 350g) — non-thing with a side of grains.
• ✅ Test convenience recipes: Try 15-minute chickpea tacos (canned chickpeas, spices, tortillas) or a no-cook hummus wrap.
• ✅ Review carbon savings: Use a simple habit tracker — each swapped meal saves ~5 kg CO₂e, so 3 swaps a week is ~780 kg CO₂e a year.
• ✅ Budget the difference: Track grocery receipts; you will likely save £10–£20 weekly with 3 swaps.
• ⚠️ Watch for food intolerances: Chickpeas are FODMAP-high, causing bloating for some with IBS — start with small portions and gradually increase.
• ⚠️ Do not forget salt: Canned chickpeas can be salty; rinsing removes up to 40% sodium.
• ⚠️ Dried chickpeas need planning: Soak overnight, then simmer or use a pressure cooker to reduce time to 30 minutes.

Hand holding dried chickpeas and raw chicken breast.

What to do next: your 30-day transition plan

Starting next week, commit to one chickpea-based dinner every Tuesday and one Thursday. Buy a can of chickpeas and a lemon — that is all you need. Use this 30-day plan to build a habit that feels effortless by month’s end.

• Week 1: Try a simple chickpea and tomato curry with rice. Save the recipe and note your satiety level.
• Week 2: Swap a chicken salad for a chickpea salad with lemon-tahini dressing. Add a handful of walnuts for extra protein.
• Week 3: Experiment with roasted chickpeas as a snack. Toss with olive oil, paprika, and salt, then bake at 200°C for 40 minutes.
• Week 4: Replace two chicken dinners with chickpea-based meals. Add a B12 supplement or fortified nutritional yeast to your routine.

By day 30, you will have avoided about 30 kg of CO₂e (based on 6 meals swapped, per Our World in Data, 2023) and saved roughly £15–£30. More importantly, you will have discovered that chickpeas are not a poor substitute for chicken — they are a different, equally satisfying plate. For further reading, see our full guide on plant-based proteins and the FAQ on iron needs.

Read next

• 15 Plant-Based Plate Building Tips for Balanced Vegan Nutrition
• How to Cut Food Poverty with UK Vegan Meal Planning
• Vegan Diets & Climate Change: IPCC 2026 Case Study