Ethereum May Be Attracting Most New and Active Blockchain Developers From January to September 2025, Data Shows

• Ethereum added 16,181 new developers (Jan–Sep 2025) and reached 31,869 active contributors.

• Solana and Bitcoin followed with 11,534 and 7,494 new developers; deduplication was applied to avoid overlap.

• Layer 2 rollups and ecosystems like Polygon, Stacks, Sui and BNB Chain also recorded steady developer growth in 2025.

Ethereum developer growth leads 2025: 16,181 new devs and 31,869 active contributors. See COINOTAG’s concise breakdown and network rankings Read full analysis

By COINOTAG | Published: October 16, 2025 | Updated: October 16, 2025

What is Ethereum developer growth in 2025?

Ethereum developer growth refers to the increase in contributors building on Ethereum and its rollups; between January and September 2025 the ecosystem added 16,181 new developers and recorded 31,869 active contributors, according to Electric Capital data shared with the Ethereum Foundation. These figures reflect deduplicated commits across core and Layer 2 repositories.

How many new and active contributors did Ethereum attract from January to September 2025?

Electric Capital’s dataset shows Ethereum added 16,181 new developers and had 31,869 active contributors over the nine-month period. Deduplication was applied so contributors working across multiple projects within the ecosystem are counted once. Data collection covered mainnet clients, core protocol work, and Layer 2 projects tracked by L2Beat. The Ethereum Foundation commented that accessible documentation and tooling are major contributors to onboarding new developers.

Frequently Asked Questions

How does Ethereum compare to Solana and Bitcoin in developer growth for 2025?

Ethereum leads in both new and active developers: 16,181 new developers and 31,869 active contributors versus Solana’s 11,534 new developers and 17,708 active contributors, and Bitcoin’s 7,494 new developers and 11,036 active contributors (Electric Capital data, Jan–Sep 2025). Deduplication reduces cross-project double counting.

Who led blockchain developer growth in 2025?

Ethereum led blockchain developer growth in 2025, drawing the largest inflow of new contributors and hosting the most active developers through September, per Electric Capital data and statements from the Ethereum Foundation.

Key Takeaways

• Ethereum remains the top developer destination: It recorded 16,181 new developers and 31,869 active contributors from January–September 2025.
• Competition is broadening: Solana, Bitcoin, Polygon, Stacks and Sui all showed meaningful gains, indicating diversified ecosystem activity.
• Deduplicated metrics improve clarity: Electric Capital’s methodology prevents overcounting contributors active across multiple projects, yielding a clearer picture of unique developer participation.

Conclusion

The latest data through September 2025 confirms Ethereum developer growth outpaced other major networks, with 16,181 new developers and 31,869 active contributors reported by Electric Capital and noted by the Ethereum Foundation. While Solana, Bitcoin and several Layer 1 and Layer 2 projects continued to expand developer activity, Ethereum’s combination of tooling, documentation and Layer 2 integrations sustains its lead. For portfolio managers, protocol teams and developer outreach programs, the data underscores where developer attention is concentrated—monitor evolving metrics for strategic decisions and developer engagement initiatives.