Lifecycle: { "status": "solicitation says annual thereafter; current program-page date requires confirmation", "edition": "NSF 23-500", "cadence": "first Wednesday in November annually thereafter", "duration": "2 years", "renewable": false, "dates": { "next_derived_deadline": "2026-11-04T17:00:00 local", "date_basis": "derived from official annual rule, not separately displayed as a 2026 date" } } Funding and benefits: { "amount": { "total": 160000, "currency": "USD", "scope": "two-year award; USD 65,000 annual stipend plus USD 15,000 annual allowance" }, "total_pool": { "amount": 3000000, "currency": "USD", "scope": "annual anticipated" }, "benefits": [ "stipend", "research and training allowance" ] } Eligibility and filters: { "citizenship": "US citizen, national, or permanent resident", "residence": null, "age": null, "applicant_type": "individual", "education": "SBE doctorate within three years before deadline or expected within 12 months after deadline and before start", "experience": "early postdoctoral", "fields": "NSF Social, Behavioral and Economic Sciences", "institution": "US higher-education or eligible nonprofit host with sponsoring scientist", "language": "English proposal", "location": "US host", "remote": false, "route": "individual NSF proposal", "exclusions": [ "full-time tenure-track faculty", "same research submitted to another NSF program", "more than one application per year" ] } Application: { "opens": null, "deadline": "2026-11-04 derived; verify before publication", "decision": null, "start": null, "end": null, "url": "https://www.nsf.gov/funding/opportunities/sprf-sbe-postdoctoral-research-fellowships/nsf23-500/solicitation", "materials": [ "research and training plan", "sponsoring scientist and host materials", "biosketch", "references" ], "selection_stages": [ "compliance", "merit review", "decision" ] } Past editions and people: { "people": { "program_leaders": [ "SPRF Program Staff" ], "latest_recipients": [], "past_recipients": [], "coverage": "recipient data not transcribed" }, "history": { "launched": null, "editions": [ { "year": 2023, "estimated_awards": [ 15, 20 ], "tracks": [ "Fundamental Research", "Broadening Participation" ] } ], "statistics": [] } } Known evidence gaps: [ "independently displayed 2026 deadline", "current award count", "recipient history" ] Source conflicts: []