Carbon Footprint of an iPhone

75kg CO2eper device

Global avgiPhone 15 Pro lifecycle

This figure is a global average from peer-reviewed research. Actual values vary by country due to differences in energy grids, farming practices, and supply chains. Use our calculators for country-specific estimates.

Key Takeaway

Apple reports that the iPhone 15 Pro produces approximately 75 kg CO2e over its full lifecycle. Manufacturing accounts for 83% of this — driven by mining rare earth minerals, semiconductor fabrication, battery production, and global assembly. Using the phone for an extra year before upgrading reduces its annualised carbon footprint by 25-40%.

In this article

Manufacturing: Where 83% of Emissions Happen
How Usage Duration Changes the Equation
Refurbished vs New: The Environmental Case
How to Reduce Your Phone's Carbon Footprint
Frequently Asked Questions

Manufacturing: Where 83% of Emissions Happen

Smartphone manufacturing is carbon-intensive because it involves mining rare minerals (lithium, cobalt, tantalum, rare earths) from multiple continents, fabricating nanoscale semiconductor chips in ultra-clean facilities that consume enormous amounts of electricity and water, assembling hundreds of tiny components in factories (primarily in China and Southeast Asia), and shipping globally via air freight. Apple's own environmental reports show manufacturing as the dominant lifecycle phase at 83%, with transport at 6%, use at 8%, and end-of-life at 3%.

How Usage Duration Changes the Equation

If you replace your phone every 2 years, the annualised manufacturing footprint is 37.5 kg CO2 per year. Keep it for 3 years and it drops to 25 kg/year. Keep it for 5 years and it falls to 15 kg/year. Annual usage emissions (charging, data transfer) are only about 5-8 kg CO2 regardless of how old the phone is. This means the single most impactful thing you can do is keep your phone longer. Going from a 2-year to a 4-year upgrade cycle halves your phone's annualised carbon footprint.

Refurbished vs New: The Environmental Case

A refurbished phone produces only 5-10 kg CO2e (from testing, minor repairs, repackaging, and shipping) — roughly 85-90% less than manufacturing a new phone. Even adding 2-3 years of usage emissions, a refurbished phone's total lifecycle footprint is 15-20 kg CO2e versus 85-95 kg for a new phone used for the same period. The refurbished smartphone market is growing 15% annually, and quality-tested refurbished phones from reputable sellers perform comparably to new devices.

How to Reduce Your Phone's Carbon Footprint

In order of impact: (1) Keep your current phone as long as it functions well — every extra year saves 15-25 kg CO2. (2) Buy refurbished instead of new — saves 65-70 kg CO2 per phone. (3) Choose manufacturers with strong environmental commitments — Apple, Fairphone, and Samsung have made meaningful progress on recycled materials and renewable energy in manufacturing. (4) Recycle your old phone properly — recovered minerals reduce mining demand. (5) Use a case to extend device lifespan — cracked screens are the leading cause of premature replacement.

Frequently Asked Questions

How much CO2 does making a smartphone produce?

Between 50 and 80 kg CO2e depending on the model. Apple reports 61-83 kg for recent iPhones. Samsung Galaxy S-series phones are in a similar range. Manufacturing dominates at 80-85% of total lifecycle emissions.

Is it better to buy a new phone or keep the old one?

Almost always better to keep your current phone. The manufacturing carbon cost of a new phone (60-80 kg CO2e) far exceeds any efficiency gains from newer hardware. Even if a new phone uses 10% less energy, it would take decades of use to offset the manufacturing emissions.

Are refurbished phones worth it environmentally?

Yes, by a large margin. A refurbished phone saves approximately 65-70 kg CO2e compared to buying new. Quality-tested refurbished phones from reputable sellers typically come with warranties and perform very similarly to new devices.

How does a phone compare to other electronics?

A smartphone (75 kg CO2e) is relatively low compared to a laptop (300-400 kg), desktop computer (500-800 kg), or 55-inch TV (500-700 kg). However, the short replacement cycles typical for phones (2-3 years vs 5-7 for laptops) make the annualised footprint comparable.