{"data":{"dataset_version":"2026-10-09.1","state":"Tamil Nadu","scope":"Assembly general-election cycles, 1967–2026","all_officially_verified":false,"release_status":"provisional","total_result_rows":36039,"total_candidate_rows":35337,"elections":[{"year":1967,"election_id":"tn-assembly-1967","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":778,"candidate_rows":778,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":2,"issues":[{"constituency_id":44,"constituency_name":"Peranamallur","flags":["inconsistent_reported_total","vote_sum_mismatch"],"computed_vote_sum":63601,"source_reported_totals":[62832,66728]},{"constituency_id":152,"constituency_name":"Perambalur","flags":["vote_sum_mismatch"],"computed_vote_sum":65959,"source_reported_totals":[66728]}],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1971,"election_id":"tn-assembly-1971","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":748,"candidate_rows":748,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1977,"election_id":"tn-assembly-1977","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":1390,"candidate_rows":1390,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1980,"election_id":"tn-assembly-1980","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":1029,"candidate_rows":1029,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1984,"election_id":"tn-assembly-1984","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":1499,"candidate_rows":1499,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1989,"election_id":"tn-assembly-1989","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":3046,"candidate_rows":3046,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1991,"election_id":"tn-assembly-1991","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":2834,"candidate_rows":2834,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":2,"issues":[{"constituency_id":31,"constituency_name":"Pallipet","flags":["zero_vote_rows_require_review"],"computed_vote_sum":96565,"source_reported_totals":[96565]},{"constituency_id":151,"constituency_name":"Aravakurichi","flags":["zero_vote_rows_require_review"],"computed_vote_sum":104232,"source_reported_totals":[104232]}],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":1996,"election_id":"tn-assembly-1996","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":5017,"candidate_rows":5017,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":1,"issues":[{"constituency_id":118,"constituency_name":"Modakkurichi","flags":["zero_vote_rows_require_review"],"computed_vote_sum":117215,"source_reported_totals":[117215]}],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":2001,"election_id":"tn-assembly-2001","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":1860,"candidate_rows":1860,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":2006,"election_id":"tn-assembly-2006","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":2586,"candidate_rows":2586,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":2011,"election_id":"tn-assembly-2011","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":2748,"candidate_rows":2748,"nota_rows":0,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":2016,"election_id":"tn-assembly-2016","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":4015,"candidate_rows":3781,"nota_rows":234,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":2,"issues":[{"constituency_id":134,"constituency_name":"Aravakurichi","flags":["inconsistent_reported_total"],"computed_vote_sum":164582,"source_reported_totals":[164582,164583,164584,164585,164586,164587,164588,164589,164590,164591,164592,164593,164594,164595,164596,164597,164598,164599,164600,164601,164602,164603,164604,164605,164606,164607,164608,164609,164610,164611,164612,164613,164614,164615,164616,164617,164618,164619,164620,164621]},{"constituency_id":174,"constituency_name":"Thanjavur","flags":["inconsistent_reported_total"],"computed_vote_sum":186444,"source_reported_totals":[186444,186445,186446,186447,186448,186449,186450,186451,186452,186453,186454,186455,186456,186457,186458]}],"source_ids":["historical-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries.","Includes archive records for delayed 2016 polls; denominator inconsistencies remain flagged."]},{"year":2021,"election_id":"tn-assembly-2021","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":4232,"candidate_rows":3998,"nota_rows":234,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["opencity-2021"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]},{"year":2026,"election_id":"tn-assembly-2026","type":"assembly_general","expected_constituencies":234,"constituencies_present":234,"missing_constituency_ids":[],"result_rows":4257,"candidate_rows":4023,"nota_rows":234,"winner_rows":234,"constituency_coverage":"all_234_present","official_verification":"pending","candidate_completeness":"not_officially_certified","quality_issue_constituencies":0,"issues":[],"source_ids":["2026-archive"],"notes":["General-election cycle results; not a complete by-election archive.","Constituency IDs are scoped to election year. Do not equate pre-2011 IDs with post-2011 boundaries."]}],"limitations":["All 234 constituency IDs are present for each target year, but this does not certify all candidate rows.","Official ECI downloads returned HTTP 406/502 during collection; no complete official row audit was possible.","2026 is a results-page archive, not a certified Form-20 dataset.","Historical party labels and name spellings follow source copies; parties and people are not merged across years.","District labels are source-year scoped and available only for 2021 and 2026; 19 labels are missing in the 2026 source. Tamil constituency search covers five Tirunelveli seats from 2011 onward. Tamil candidate names, turnout, affidavits, local-body and parliamentary elections are not part of this release.","Zero-vote rows and inconsistent reported totals are retained and flagged.","Secondary-copy agreement for 2021 and an official 2026 candidate-count check do not establish row-level official verification."]},"meta":{"dataset_version":"2026-10-09.1","release_status":"provisional","official_row_verification":"pending"}}