
Ethereum continues to lead in developer activity with over 16,000 new developers in 2025, while Solana’s developer growth rate surpasses Ethereum’s with a notable 61.7% two-year increase.
Between January and September 2025, Ethereum added over 16,000 developers, reaching a total of 31,869 active contributors. Solana’s growth rate outpaced Ethereum with a two-year increase of 61.7%, adding 11,500 new developers, bringing its total to 17,708. Ethereum's numbers cover both its Layer1 and Layer2 networks without double-counting developers across ecosystems.