chickpeas vs tuna: Protein

chickpeas: 9 g / 100 g. tuna: 24 g / 100 g.

chickpeas vs tuna: Climate impact

chickpeas: 0.8 kg CO₂e / kg. tuna: 6.1 kg CO₂e / kg.

chickpeas vs tuna: Water use

chickpeas: 60 L / kg. tuna: 510 L / kg.

chickpeas vs tuna: Land use

chickpeas: 2.4 m² / kg. tuna: 3 m² / kg.

chickpeas vs tuna: Saturated fat

chickpeas: 0.3 g / 100 g. tuna: 0.3 g / 100 g.

chickpeas vs tuna: Fibre

chickpeas: 7.6 g / 100 g. tuna: 0 g / 100 g.

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chickpeas vs tuna

How chickpeas and tuna compare on protein, climate impact, water use, land use, saturated fat and fibre — with a clear verdict.

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The numbers

The numbers	chickpeas	tuna
Protein (g / 100 g)	9	24
Climate impact (kg CO₂e / kg)	0.8	6.1
Water use (L / kg)	60	510
Land use (m² / kg)	2.4	3
Saturated fat (g / 100 g)	0.3	0.3
Fibre (g / 100 g)	7.6	0

The verdict

chickpeas is the better everyday choice. It uses less land and water and carries a smaller carbon footprint than tuna, while covering the same role on the plate. If protein density is your priority, adjust portion size rather than going back to tuna.

Sources: Poore & Nemecek (Science, 2018), FAO, USDA FoodData Central, Mekonnen & Hoekstra (2011).

oat milk vs almond milk →soya milk vs cow's milk →tofu vs chicken →lentils vs beef →tempeh vs beef →seitan vs chicken →

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