diff --git a/services/web/scripts/count_encrypted_access_tokens.js b/services/web/scripts/count_encrypted_access_tokens.js
new file mode 100644
index 0000000000..223aa13772
--- /dev/null
+++ b/services/web/scripts/count_encrypted_access_tokens.js
@@ -0,0 +1,85 @@
+const TEN_MINUTES = 1000 * 60 * 10
+process.env.MONGO_SOCKET_TIMEOUT =
+  process.env.MONGO_SOCKET_TIMEOUT || TEN_MINUTES.toString()
+
+const { ReadPreference } = require('mongodb')
+const { db, waitForDb } = require('../app/src/infrastructure/mongodb')
+const _ = require('lodash')
+
+const CASES = {
+  users: {
+    dropbox: 'dropbox.access_token_oauth2.encrypted',
+    zotero: 'refProviders.zotero.encrypted',
+    mendeley: 'refProviders.mendeley.encrypted',
+  },
+  githubSyncUserCredentials: {
+    github: 'auth_token_encrypted',
+  },
+}
+
+async function count(collectionName, paths) {
+  const collection = db[collectionName]
+  const stats = {}
+
+  const projection = { _id: 0 }
+  for (const path of Object.values(paths)) {
+    projection[path] = 1
+  }
+
+  const cursor = collection.find(
+    {},
+    {
+      readPreference: ReadPreference.SECONDARY,
+      projection,
+    }
+  )
+  for await (const doc of cursor) {
+    for (const [name, path] of Object.entries(paths)) {
+      const blob = _.get(doc, path)
+      if (!blob) continue
+      // Schema: LABEL:SALT:CIPHERTEXT:IV
+      const [label, , , iv] = blob.split(':', 4)
+      const version = iv ? 'v2' : 'v1'
+
+      const key = [name, version, collectionName, path, label].join(':')
+      stats[key] = (stats[key] || 0) + 1
+    }
+  }
+  return stats
+}
+
+async function main() {
+  await waitForDb()
+
+  const STATS = {}
+  for (const [collectionName, paths] of Object.entries(CASES)) {
+    const stats = await count(collectionName, paths)
+    Object.assign(STATS, stats)
+  }
+
+  const prettyStats = []
+  const sortedStats = Object.entries(STATS).sort((a, b) =>
+    a[0] > b[0] ? 1 : -1
+  )
+  const totalByName = {}
+  for (const [key, n] of sortedStats) {
+    const [name, version, collectionName, path, label] = key.split(':')
+    totalByName[name] = (totalByName[name] || 0) + n
+    prettyStats.push({ name, version, collectionName, path, label, n })
+  }
+  for (const row of prettyStats) {
+    row.percentage = ((100 * row.n) / totalByName[row.name])
+      .toFixed(2)
+      .padStart(6)
+  }
+  console.table(prettyStats)
+}
+
+main()
+  .then(() => {
+    process.exit(0)
+  })
+  .catch(err => {
+    console.error(err)
+    process.exit(1)
+  })