Mercari vs Poshmark:Which is more popular by branded search?
In August 2026, Mercari and Poshmark were level on Share of Search among second hand marketplaces worldwide, with an estimated 2.2M branded searches each, at 5.7% estimated Share of Search each. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Mercari or Poshmark?
Compare the marketplaces people resell items on. 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.
Share of Search by month for Mercari, Poshmark. The figures are in the table below the chart.
View monthly share of search table
| Month | Vinted | Depop | Mercari | Poshmark | ThredUp |
|---|---|---|---|---|---|
| Oct 2025 | 80.6% | 5.9% | 5.9% | 4.9% | 2.7% |
| Nov 2025 | 80.6% | 5.9% | 5.9% | 4.9% | 2.7% |
| Dec 2025 | 77.7% | 7% | 7% | 5.7% | 2.6% |
| Jan 2026 | 75.8% | 6.8% | 6.8% | 6.8% | 3.7% |
| Feb 2026 | 75.8% | 6.8% | 6.8% | 6.8% | 3.7% |
| Mar 2026 | 77.3% | 7% | 7% | 5.7% | 3.1% |
| Apr 2026 | 80.6% | 5.9% | 5.9% | 4.9% | 2.7% |
| May 2026 | 80.6% | 5.9% | 5.9% | 4.9% | 2.7% |
| Jun 2026 | 79.9% | 7.2% | 5.9% | 4.8% | 2.2% |
| Jul 2026 | 75.1% | 10.1% | 6.8% | 5.5% | 2.5% |
| Aug 2026 | 77.5% | 8.5% | 5.7% | 5.7% | 2.5% |
| Sep 2026 | — | — | — | — | — |
How has the Mercari and Poshmark comparison changed over the last 12 months?
3 findings
- Mercari was ahead of Poshmark in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Mercari’s estimated Share of Search among second hand marketplaces worldwide moved from 5.9% to 5.7%, and its estimated monthly branded searches held steady at 2.2M.
- Across the 11 months ending August 2026, Poshmark’s estimated Share of Search among second hand marketplaces worldwide moved from 4.9% to 5.7%, and its estimated monthly branded searches moved from 1.8M to 2.2M.
How did search popularity change for second hand marketplaces worldwide in August 2026?
2 changes
In August 2026, Mercari lost estimated Share of Search among second hand marketplaces worldwide, from 6.8% to 5.7%.
Estimated monthly branded searches for Poshmark worldwide rose 22.4% over 11 measured months, from 1.8M to 2.2M in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Mercari’s and Poshmark’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.
Put your own brand in this comparison
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