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Derek Tran OppScore Rating: -1.76

Derek Tran is a Democrat House representative for California district 45 and holds an OppScore of -1.76. OppScore is a nonpartisan political rating system that scores politicians from -5.00 to +5.00 across the Five Points of Opportunity, using published voting records and public disclosures.

Derek Tran is a Democratic U.S. Representative for California's 45th district, serving his first term since 2025. The son of Vietnamese refugees who fled after the 1975 fall of Saigon and an eight-year Army Reserve veteran, he previously worked as a consumer rights attorney and co-owned an independent pharmacy before entering Congress.

Derek Tran rating summary

• Party: Democrat
• Office: House
• State: California
• District: 45
• OppScore: -1.76 on a -5.00 to +5.00 scale
• Score basis: Record based, documented on 36 of 44 scored questions

What is on this profile

• Five Points of Opportunity score breakdown
• Voting record and legislative history
• Campaign finance and donor disclosures
• Dirt Alerts and accountability reporting
• Score trend over time

Primary sources

• Official website
• Ballotpedia profile

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