There are two different ways people usually mean this question, and the numbers are very different depending on which one you care about.

Short answer

  • Worldwide, at least ~50 different COVID-19 vaccines have been authorized in at least one country.
  • In the United States right now (2025–2026 season), there are 3 main updated vaccines in use : Moderna, Pfizer‑BioNTech, and Novavax.

Mini-section 1: Global picture – “How many exist at all?”

If you zoom out and count every vaccine that has ever been approved somewhere in the world (even if only in one country), the number is big:

  • By 2025, at least 50 COVID-19 vaccines had received some form of authorization (emergency, full approval, or limited use) across 201 countries.
  • These include different platforms: mRNA, viral vector, inactivated, protein subunit, etc.
  • Many of these are regional (for example, used mainly in China, India, Russia, Cuba, Iran, and others) and never appeared in North America or Western Europe.

A common way experts break it down is:

  • A small core group of vaccines used widely across many countries (Pfizer‑BioNTech, Moderna, AstraZeneca, J&J/Janssen, Sinopharm, Sinovac, Novavax, etc.).
  • A long tail of vaccines used in just one or a few countries.

Mini-section 2: Big “name brand” vaccines people have heard of

Among all those dozens, a smaller set were cleared by stricter regulators or heavily used internationally. For example, one WHO‑focused list highlighted around 10 major vaccines that had been approved for emergency or full use by at least one “stringent regulatory authority”:

  • Pfizer–BioNTech (Comirnaty) – mRNA
  • Moderna (Spikevax) – mRNA
  • Oxford–AstraZeneca (Vaxzevria/Covishield) – viral vector
  • Janssen (J&J) – viral vector
  • Sinopharm BIBP – inactivated
  • Sinovac (CoronaVac) – inactivated
  • Covaxin – inactivated
  • Novavax – protein subunit
  • Convidecia – viral vector
  • Sanofi–GSK – protein-based

These are the “household names” in many news stories, even though they’re only a subset of all vaccines that exist.

Mini-section 3: What’s available right now in the U.S.?

If your question is “how many COVID vaccines can I actually get this season in the U.S.?”, the answer is much smaller. For the 2025–2026 respiratory season , U.S. guidance highlights three updated vaccines :

  • Moderna (Spikevax / related formula) – updated monovalent vaccine targeting a JN.1‑lineage Omicron strain.
  • Pfizer‑BioNTech (Comirnaty) – updated to the same general lineage, with age‑specific dosing.
  • Novavax – a protein‑based option, also updated for current variants.

The CDC notes that three vaccines are available for use in the United States , with no preference among them when more than one is recommended for your age group.

So in everyday U.S. terms, many people will only ever encounter those three names now, even though dozens of other COVID vaccines exist globally.

Mini-section 4: Why the number keeps changing

The answer isn’t fixed because:

  • New formulations keep getting approved to match new variants (for example, updated monovalent JN.1‑lineage vaccines for 2025–2026).
  • Some earlier vaccines (like original formulations or older bivalents) are no longer in use in certain countries, even though they were once available.
  • Different countries approve different products, so the global total is always going to be larger than what any one person sees in their local clinic.

A useful mental model:

Locally, you might have 2–4 options. Globally, there are dozens —over 50 that have been authorized somewhere.

Mini-section 5: Quick Q&A, forum-style

Q: “So what’s the ‘real’ number?”
A: If you mean “ever authorized anywhere,” think 50+ and still evolving.

Q: “If I’m in the U.S., how many do I actually choose between?”
A: For the current 2025–2026 season, three: Moderna, Pfizer‑BioNTech, and Novavax.

Q: “Are these still worth getting this late in the pandemic?”
A: Evidence continues to show that staying up to date significantly lowers your risk of severe illness, hospitalization, and death, especially for older adults and people with health conditions.

Simple HTML table: global vs. U.S. count

html

<table>
  <thead>
    <tr>
      <th>Scope</th>
      <th>Approximate number of COVID-19 vaccines</th>
      <th>Notes</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Worldwide (ever authorized)</td>
      <td>At least ~50</td>
      <td>Approved or authorized in at least one country across 201 countries. [web:1]</td>
    </tr>
    <tr>
      <td>United States (2025–2026 season)</td>
      <td>3</td>
      <td>Updated vaccines from Moderna, Pfizer‑BioNTech, and Novavax. [web:3][web:7]</td>
    </tr>
  </tbody>
</table>

TL;DR:

  • Globally: 50+ COVID vaccines have been authorized somewhere.
  • In the U.S. right now: 3 updated vaccines (Moderna, Pfizer‑BioNTech, Novavax) for the 2025–2026 season.

Information gathered from public forums or data available on the internet and portrayed here.