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These guides contain concise descriptions of ballot measures including non-partisan analyses, official voter information, background materials, pro-and-con websites, newspaper articles and editorials, opinion polls, political endorsements, and financial contribution records.

From 2010-16, the guides were published simultaneously online at californiachoices.org. 

The library also maintains an extensive collection of print clippings and election ephemera, dating back several decades. Check OskiCat or consult an IGS librarian for more information.

November 6, 2018 : General
Title Yes votes No votes
Proposition 1 (2018): Affordable housing bond -- --
Proposition 2 (2018): Mental Health Funding for Housing -- --
Proposition 3 (2018): Water Bond -- --
Proposition 4 (2018): Childrens Hospital Bond -- --
Proposition 5 (2018): Portable Prop 13 -- --
Proposition 6 (2018): Gas Tax Repeal -- --
Proposition 7 (2018): Repeal Daylight Savings Time -- --
Proposition 8 (2018): Dialysis Clinic Regulation -- --
Proposition 10 (2018): Expanded Rent Control -- --
Proposition 11 (2018): Paramedic Break Time -- --
Proposition 12 (2018): Improve Conditions for Farm Animals -- --
June 5, 2018 : Primary
Title Yes votes No votes
Proposition 68: Parks and Water Projects Bond 57.4% 42.6%
Proposition 69: Transportation Taxes and Fees Allocation 81.0% 19.0%
Proposition 70: Spending Rules for Cap and Trade Revenue 35.3% 64.7%
Proposition 71: Effective Date of Ballot Measures 77.6% 22.4%
Proposition 72: Exclude Rainwater Capture Systems from Tax Assessment 84.6% 15.4%
Ballot Endorsements for June 5, 2018 Measures -- --
November 8, 2016 : General
Title Yes votes No votes
Proposition 51: Public School Facilities Improvement 7,516,142 [55.2%] 6,104,294 [44.8%]
Proposition 52: Voter Approval to Divert Hospital Fees to Medi-Cal 9,427,714 [70.1%] 4,026,710 [29.9%]
Proposition 53: Voter Approval Requirement for Revenue Bonds Over $2 Billion 6,508,909 [49.4%] 6,660,555 [50.6%]
Proposition 54: Publication of Legislative Bills Prior to Vote 8,607,266 [65.4%] 4,559,903 [34.6%]
Proposition 55: Extension of Personal Income Tax Increases 8,594,273 [63.3%] 4,988,329 [36.7%]
Proposition 56: Tobacco Tax Increase 8,980,448 [64.4%] 4,957,994 [35.6%]
Proposition 57: Parole for Non-Violent Criminals; Juvenile Court Trial Requirements 8,790,723 [64.5%] 4,847,354 [35.5%]
Proposition 58: Allow Non-English Languages in Public Education 9,994,454 [73.5%] 3,598,855 [26.5%]
Proposition 59: Overturn of Citizens United Act Advisory Question 6,845,943 [53.2%] 6,027,084 [46.8%]
Proposition 60: Condom Requirement in Pornographic Films 6,168,388 [46.3%] 7,146,039 [53.7%]
Proposition 61: Drug Price Standards 6,254,342 [46.8%] 7,109,642 [53.2%]
Proposition 62: Repeal of the Death Penalty 6,361,788 [46.8%] 7,218,625 [53.2%]
Proposition 63: Large Capacity Ammunition Magazine Ban 8,663,159 [63.1%] 5,070,772 [36.9%]
Proposition 64: Marijuana Legalization 7,979,041 [57.1%] 5,987,020 [42.9%]
Proposition 65: Revenue from Disposable Bag Sales to Support Environmental Projects 6,222,547 [46.1%] 7,276,478 [53.9%]
Proposition 66: Death Penalty Procedures 6,626,159 [51.1%] 6,333,731 [48.9%]
Proposition 67: Plastic Bag Ban 7,228,900 [53.3%] 6,340,322 [46.7%]
Ballot Endorsements for Nov. 8, 2016 Measures -- --
June 7, 2016 : Primary
Title Yes votes No votes
Proposition 50: Members of the Legislature: Suspension 3,766,852 [75.3%] 1,238,521 [24.7%]
Ballot Endorsements for June 7, 2016 Measures -- --
Nov. 4, 2014: General
Title Yes votes No votes
Proposition 1: Funding For Water Quality, Supply, Treatment, And Storage Projects. 4,771,350 [67.1%] 2,336,676 [32.9%]
Proposition 2: Budget Stabilization Account 4,831,045 [69.1%] 2,158,004 [30.9%]
Proposition 45: Health Insurance Rate Changes 2,917,882 [41.1%] 4,184,416 [58.9%]
Proposition 46: Drug and Alcohol Testing Of Doctors. Medical Negligence Lawsuits. 2,376,817 [33.2%] 4,774,364 [66.8%]
Proposition 47: Criminal Sentences. Misdemeanor Penalties. 4,238,156 [59.6%] 2,871,943 [40.4%]
Proposition 48: Indian Gaming Compacts 2,702,157 [39.0%] 4,219,881 [61.0%]
Ballot Endorsements for Nov. 4, 2014 Measures -- --
June 3, 2014: Primary
Title Yes votes No votes
Proposition 41: Veterans Housing and Homeless Prevention Bond Act 2,328,377 [65.3%] 1,236,276 [34.7%]
Proposition 42 : Public Information 2,126,079 [61.9%] 1,309,953 [38.1%]
Ballot Endorsements for June 3, 2014 Measures -- --
November 6, 2012 : General
Title Yes votes No votes
Proposition 30: Temporary Taxes to Fund State Programs 7,014,114 [55.4%] 5,653,636 [44.6%]
Proposition 31: State Budget 4,642,088 [39.5%] 7,115,164 [60.5%]
Proposition 32: Political Contributions by Payroll Deduction 5,400,218 [43.4%] 7,043,915 [56.6%]
Proposition 33: Auto Insurance Prices 5,510,281 [45%] 6,737,570 [55%]
Proposition 34: Death Penalty 5,974,243 [48%] 6,460,262 [52%]
Proposition 35: Human Trafficking Penalties 10,078,476 [81.3%] 2,310,610 [18.7%]
Proposition 36: Revision of the Three Strikes Law 8,575,619 [69.3%] 3,798,216 [30.7%]
Proposition 37: Labeling Genetically Engineered Foods 6,088,713 [48.6%] 6,442,370 [51.4%]
Proposition 38: Tax to Fund Education and Early Childhood Programs 3,541,199 [28.7%] 8,789,890 [71.3%]
Proposition 39: Tax Treatment for Multistate Businesses 7,384,416 [61.1%] 4,701,562 [38.9%]
Proposition 40: California State Senate Redistricting 8,354,156 [71.9%] 3,258,740 [28.1%]
Ballot Endorsements for Nov. 6, 2012 Measures -- --
June 5, 2012 : Primary
Title Yes votes No votes
Proposition 28: Limits on Legislators' Terms in Office 2,652,766 [61.2%] 1,679,049 [38.8%]
Proposition 29: Imposes Additional Tax on Cigarettes for Cancer Research 2,193,542 [49.6%] 2,230,666 [ 50.4%]
Endorsements: June 2012 Primary -- --
November 2, 2010 : General
Title Yes votes No votes
Proposition 19: Regulate, Control and Tax Cannabis Act of 2010 4,643,592 [46.5%] 5,333,230 [53.5%]
Proposition 20: Congressional district lines to be re-drawn by a committee 5,743,069 [61.3%] 3,636,892 [38.7%]
Proposition 21: Increase vehicle license fees to fund state parks 4,190,643 [42.7%] 5,615,595 [57.3%]
Proposition 22: Local Taxpayer, Public Safety & Transportation Protection Act 5,733,755 [60.7%] 3,725,014 [39.3%]
Proposition 23: Suspend pollution control laws until unemployment falls below 5.5% 3,733,883 [38.4%] 5,974,564 [61.6%]
Proposition 24: Eliminates three business tax provisions 3,947,502 [49.1%] 5,470,477 [58.1%]
Proposition 25: State budget can be passed with a simple majority vote 5,262,052 [55.1%] 4,292,648 [44.9%]
Proposition 26: Increases vote requirements for fees and charges 4,923,834 [52.5%] 4,470,234 [47.5%]
Proposition 27: Return task of redistricting to the California State Legislature (repealing Prop 11) 3,736,443 [40.5%] 5,468,703 [59.5%]
Endorsements: November 2010 General -- --
June 8, 2010 : Primary
Title Yes votes No votes
Proposition 13: Seismic Retrofitting 3,263,664 [84.6%] 598,245 [15.4%]
Proposition 14: Primary Elections 2,117,064 [54.2%] 1,795,744 [45.8%]
Proposition 15: Fair Elections 1,623,568 [42.5%] 2,189,734 [57.5%]
Proposition 16: Electricity Providers 1,869,805 [47.7%] 2,049,858 [52.3%]
Proposition 17: Auto Insurance 1,889,363 [48.1%] 2,038,215 [51.9%]
Endorsements: June 2010 Primary -- --
May 19, 2009 : Special Election
Title Yes votes No votes
Proposition 1A (2009): Changes the way the state sets aside "rainy day" funds 1,668,216 [34.6]% 3,152,141 [65.4%]
Proposition 1B (May 18, 2009): Payments to K-12 education 1,834,242 [38.1]% 2,975,560 [61.9%]
Proposition 1C: Allows state to borrow from lottery profits 1,708,800 [35.6%] 3,085,138 [64.4]%
Proposition 1D: Redirects Proposition 10 (1998) funds 1,633,107 [34%] 3,157,680 [66%]
Proposition 1E: The Mental Health Services Act: Proposition 63 Amendments 1,597,907 [33.5%] 3,169,163 [66.5%]
Proposition 1F: State Officer Salary Increases 3,565,419 [74.3%] 1,237,694 [25.7%]
Endorsements: May 2009 Special -- --
November 4, 2008 : General
Title Yes votes No votes
Proposition 1A (2008): Changes the way the state sets aside "rainy day" funds 1,668,216 [34.6%] 3,152,141 [65.4%]
Proposition 2: Treatment of Farm Animals 8,203,769 [63.5%] 4,731,738 [37%]
Proposition 3: Children's Hospital Projects 6,984,319 [55.3%] 5,654,586 [44.7%]
Proposition 4: Parental Notification of Abortion 6,220,473 [48%] 6,728,478 [52%]
Proposition 5: Drug treatment and Parole for Criminals 5,155,206 [40.5%] 7,566,783 [59.5%]
Proposition 6: Changes in Parole, Sentencing, and Juvenile Justice Systems 3,824,372 [30.8%] 8,559,647 [69.2%]
Proposition 7: Utility Regulations 4,502,235 [35.5%] 8,155,181 [64.5%]
Proposition 8: Ban on Same-Sex Marriage 7,001,084 [52.3%] 6,401,482 [47.7%]
Proposition 9: Victims' Rights Laws 6,682,465 [53.9%] 5,728,968 [46.1%]
Proposition 10: Renewable Energy and Alternative Fuel 5,098,666 [40.5%] 7,464,154 [59.5%]
Proposition 11: Redistricting Reform 6,095,033 [50.9%] 5,897,655 [49.1%]
Proposition 12: Home Loans to Veterans 7,807,630 [63.6%] 4,481,196 [36.4%]
Endorsements: November 2008 General -- --
June 3, 2008 : Primary
Title Yes votes No votes
Proposition 98: Eminent Domain and Rent Control Elimination 1,675,213 [38.4%] 2,677,456 [61.6%]
Proposition 99: Eminent Domain 2,678,106 [62%] 1,644,509 [38%]
Endorsements: June 2008 Primary -- --
February 5, 2008 : Primary
Title Yes votes No votes
Proposition 91: Transportation Funding 3,427,588 [41.6%] 4,794,776 [58.4%]
Proposition 92: Community Colleges Funding 3,613,332 [42.7%] 4,831,445 [57.3%]
Proposition 93: Term Limits 3,961,466 [46.4%] 4,574,826 [53.6%]
Proposition 94 : Tribal Compacts 4,812,313 [55.6%,] 3,848,998 [44.4%]
Proposition 95: Tribal Compacts 4,809,573 [55.65] 3,841,352 [44.4%]
Proposition 96: Tribal Compacts 4,785,413 [55.5%] 3,844,408 [44.5%]
Proposition 97: Tribal Compacts 4,786,884 [55.5%] 3,838,892 [44.5%]
Endorsements: February 2008 Primary -- --
November 7, 2006 : General
Title Yes votes No votes
Proposition 1A (2006): Transportation Funding Protection 6,400,587 [77%] 1,916,925 [23%]
Proposition 1B: Highway Safety, Traffic Reduction, Air Quality, and Port Security 5,112,142 [61.4%] 3,218,657 [38.6%]
Proposition 1C: Housing and Emergency Shelter 4,814,850 [57.8%] 3,521,055 [42.3%]
Proposition 1D: Public Education Facilities 4,754,868 [56.9%] 3,602,055 [43.1%]
Proposition 83: Sexual Predator Punishment and Control 5,926,800 [70.5%] 2,483,597 [29.5%]
Proposition 84: Safe Drinking Water 4,431,945 [53.8%] 3,807,005 [46.1%]
Proposition 85: Parental Notification of Abortion 3,868,714 [45.8%] 4,576,128 [54.2%]
Proposition 86: Tobacco Tax Act of 2006 4,136,358 [48.3% ] 4,425,689 [51.7%]
Proposition 87: Clean Alternative Energy 3,861,217 [45.4%] 4,635,265 [54.6%]
Proposition 88: Classroom Learning and Accountability 1,947,312 [23.3%] 6,396,956 [76.7%]
Proposition 89: Clean Money and Fair Elections 2,124,728 [25.7%] 6,132,618 [74.3%]
Proposition 90: Eminent Domain 3,932,043 [47.6%] 4,324,722 [52.4%]
Endorsements: November 2006 General -- --
June 6, 2006 : Primary
Title Yes votes No votes
Proposition 81: Library Construction and Literacy Improvement 2,326,354 [47.3%] 2,591,012 [52.7%]
Proposition 82: Universal Preschool 1,958,243 [39.2%] 3,036,283 [60.8%]
Endorsements: June 2006 Primary -- --
November 8, 2005 : Special Election
Title Yes votes No votes
Proposition 73: Parental Notification of Abortion 3,676,592 [47.2%] 4,109,430 [52.8%]
Proposition 74: Teacher Tenure 3,516,071 [44.8%] 4,329,025 [55.2%]
Proposition 75: Union Dues for Political Purposes 3,644,006 [46.5%] 4,190,412 [53.5%]
Proposition 76: Spending Limits/School Funding 2,948,243 [37.6%] 4,877,735 [62.4%]
Proposition 77: Redistricting 3,130,541 [40.2%] 4,641,633 [59.8%]
Proposition 78: Prescription Drug Discounts 3,199,193 [41.5%] 4,508,873 [58.5%]
Proposition 79: Prescription Drug Discounts 3,003,912 [39.3%] 4,625,132 [60.70%]
Proposition 80: Electricity Regulation 2,580,536 [34.4%] 4,920,679 [65.6%]
Endorsements: November 2005 Special -- --
November 2, 2004 : General
Title Yes votes No votes
Proposition 1A (2004): Protection of Local Government Revenues 9,411,198 [83.7%] 1,840,002 [16.3%]
Proposition 59: Access to Government Information 9,334,852 [83.4%] 1,870,146 [16.6%]
Proposition 60: Primary Elections 7,227,433 [67.6%] 3,478,774 [32.4%]
Proposition 60A: Surplus State Property 7,776,374 [73.3%] 2,843,435 [26.7%]
Proposition 61: Children's Hospitals 6,629,095 [58.3%] 4,750,309 [41.7%]
Proposition 62: Primary Elections 5,119,155 [46.1%] 5,968,770 [53.9%]
Proposition 63: Mental Health Services Funding 6,191,691 [53.8%] 5,337,216 [46.2%]
Proposition 64: Unfair Business Competition Laws 6,571,694 [59%] 4,578,725 [41%]
Proposition 65: Propositions 1A & 65: Local Government Revenues 3,901,748 [37.6%] 6,471,506 [62.4%]
Proposition 66: Limitation on "Three-Strikes" Law 5,604,060 [47.3%] 6,238,060 [52.7%]
Proposition 67: Emergency Medical Services 3,243,132 [28.4%] 8,165,809 [71.6%]
Proposition 68: Tribal Gaming 1,897,177 [16.2%] 9,801,284 [83.8%]
Proposition 69: DNA Samples 7,194,343 [62.1%] 4,400,826 [37.9%]
Proposition 70: Tribal Gaming 2,763,800 [23.7%] 8,880,110 [76.3%]
Proposition 71: Stem Cells 7,018,059 [51.9%] 4,867,090 [40.9%]
Proposition 72: Health Care Coverage 5,709,500 [49.1%] 5,889,936 [50.8]%
Endorsements - November 2004 General -- --
March 2, 2004 : Primary
Title Yes votes No votes
Endorsements - March 2004 Primary -- --
October 7, 2003 : Special Election
Title Yes votes No votes
Endorsements - October 2003 Special -- --
November 5, 2002 : General
Title Yes votes No votes
Endorsements - November 2002 General -- --
March 5, 2002 : Primary
Title Yes votes No votes
Endorsements - March 2002 Primary -- --
November 7, 2000 : General
Title Yes votes No votes
Endorsements - November 2000 General -- --