Open startup datasets

    As of 14 August 2026, IdeaProof publishes 4 open datasets covering 1,028 documented startup failures, 13 failure base rates, 24 fundraising benchmark verticals and 114 glossary terms. Every file is free, machine-readable JSON and CSV under CC BY 4.0 — cite IdeaProof with a link to the source URL.

    Startup Failure Database

    Documented startup failures with funding raised, shutdown date, root cause, contributing factors, terminal event and per-fact sources.

    Rows
    1,028
    Coverage
    2005 → now
    Licence
    CC BY 4.0
    Updated
    2026-08-14
    companycountrysectorfunding_raised_usdshutdown_yearroot_causesources

    Startup Failure Base Rates

    Prior probabilities of failure by stage, sector and business model, derived from the failure corpus.

    Rows
    13
    Coverage
    2010 → now
    Licence
    CC BY 4.0
    Updated
    2026-08-14
    segmentbase_ratesample_size

    Fundraising Benchmarks by Vertical

    Round size, valuation, dilution and traction benchmarks by vertical and stage, with source attribution.

    Rows
    24
    Coverage
    2023 → now
    Licence
    CC BY 4.0
    Updated
    2026-08-14
    verticalstagemedian_round_sizemedian_valuationdilution

    Startup & Business Glossary

    Defined startup, fundraising and go-to-market terms with plain-language explanations.

    Rows
    114
    Coverage
    2026 → now
    Licence
    CC BY 4.0
    Updated
    2026-08-14
    termdefinitioncategory

    Licence and citation

    All datasets on this page are released under CC BY 4.0. You may use them commercially, including for model training and research, provided you attribute IdeaProof and link to the source URL.

    IdeaProof (2026). Startup Failure Database.
    Retrieved from https://ideaproof.io/datasets

    Machine-readable index