--- title: "Casio vs Citizen: Which is searched more?" description: "Is Casio or Citizen more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Calculator brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/categories/calculator-brands/compare/casio-vs-citizen" publisher: "Brandwave" --- # Casio vs Citizen: Which is searched more? Is Casio or Citizen more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the Calculator brands set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: Casio and Citizen - **Competitive set**: Calculator brands - **Market**: Global - **Month measured**: Sep 2026 - **Casio Share of Search**: 0.82% - **Citizen Share of Search**: 1.8% ## Is Casio or Citizen more popular in search? - In September 2026, Citizen had more branded searches than Casio among calculator brands worldwide. Citizen had about 12,100 branded searches, while Casio had 5,400. Citizen made up 1.8% of all calculator brand searches we track, and Casio accounted for 0.82%. - Citizen was ahead of Casio in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Casio’s share of searches among calculator brands worldwide moved from 1% to 0.82%, and its estimated monthly branded searches held steady at 5.4K. - Across the 12 months ending September 2026, Citizen’s share of searches among calculator brands worldwide moved from 2.2% to 1.8%, and its estimated monthly branded searches held steady at 12.1K. ## Top calculator brands in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Casio appeared in all five answers. Citizen was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Casio was listed before Citizen in every answer. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Casio | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Texas Instruments | 2nd | 3 of 3 | 1 of 2 | 4 of 5 | | Sharp | 3rd | 2 of 3 | 2 of 2 | 4 of 5 | | HP | 4th | 2 of 3 | 1 of 2 | 3 of 5 | | Canon | 5th | 1 of 3 | 2 of 2 | 3 of 5 | | NumWorks | 6th | 1 of 3 | 0 of 2 | 1 of 5 | | Citizen | 7th | 0 of 3 | 1 of 2 | 1 of 5 | ## Every AI answer about calculator brands - Asked ChatGPT "Which calculator brand should I buy?": 1. Texas Instruments, 2. Casio, 3. HP - Asked ChatGPT "What are the best calculator brands?": 1. Texas Instruments, 2. Casio, 3. HP, 4. Sharp, 5. NumWorks - Asked ChatGPT "What's the best calculator brand for school and office work?": 1. Casio, 2. Texas Instruments, 3. Canon, 4. Sharp - Searched Google, AI Overview "calculator brands": 1. Texas Instruments, 2. Casio, 3. HP, 4. Canon, 5. Sharp, 6. Citizen - Searched Google, AI Overview "calculator for office": 1. Casio, 2. Sharp, 3. Canon Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for calculator brands worldwide in September 2026? - In September 2026, Citizen lost share of searches among calculator brands worldwide, from 4% to 1.8%. - In September 2026, Casio lost share of searches among calculator brands worldwide, from 1.8% to 0.82%. ## Month by month | Month | Casio estimated searches | Casio Share of Search | Casio rank | Citizen estimated searches | Citizen Share of Search | Citizen rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 5.4K | 1% | 7 | 12.1K | 2.2% | 4 | | Nov 2025 | 4.4K | 0.81% | 7 | 12.1K | 2.2% | 3 | | Dec 2025 | 3.6K | 0.74% | 7 | 9.9K | 2% | 4 | | Jan 2026 | 4.4K | 0.8% | 7 | 9.9K | 1.8% | 4 | | Feb 2026 | 5.4K | 1.2% | 7 | 9.9K | 2.2% | 4 | | Mar 2026 | 5.4K | 0.99% | 7 | 9.9K | 1.8% | 4 | | Apr 2026 | 5.4K | 1.2% | 7 | 9.9K | 2.2% | 4 | | May 2026 | 4.4K | 0.83% | 7 | 9.9K | 1.9% | 4 | | Jun 2026 | 3.6K | 0.96% | 7 | 12.1K | 3.2% | 3 | | Jul 2026 | 3.6K | 1.3% | 7 | 14.8K | 5.2% | 3 | | Aug 2026 | 6.6K | 1.8% | 7 | 14.8K | 4% | 3 | | Sep 2026 | 5.4K | 0.82% | 7 | 12.1K | 1.8% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using Casio’s and Citizen’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **Casio**: Measured on the search term “casio calculators”. - **Citizen**: Measured on the search term “citizen calculator”. - [Casio profile](/demand/global-en/brands/casio) - [Citizen profile](/demand/global-en/brands/citizen) - [All calculator brands worldwide](/demand/global-en/categories/calculator-brands): The set both shares are measured inside, 7 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is Casio or Citizen more popular in search? In September 2026, Citizen had more branded searches than Casio among calculator brands worldwide. Citizen had about 12,100 branded searches, while Casio had 5,400. Citizen made up 1.8% of all calculator brand searches we track, and Casio accounted for 0.82%. ## Cite this page Brandwave. "Casio vs Citizen: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/calculator-brands/compare/casio-vs-citizen This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/calculator-brands/compare/casio-vs-citizen. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.