Q: I just upgraded from the 4s to the 5s.  Everything was transferred from the cloud successfully with the exception of my photos.  It only transferred 110 and I have 1,000.  What am I doing wrong?

Hey LilandLo!

Here is an article that can fully explain what is backed up in your iCloud backup:

iCloud: iCloud storage and backup overview

http://support.apple.com/kb/PH12519

Here’s what iCloud backs up:

• Purchased history for music, movies, TV shows, apps, and books
  Your iCloud backup includes information about the content you have purchased, but not the purchased content itself. When you restore from an iCloud backup, your purchased content is automatically downloaded from the iTunes Store, App Store, or iBooks Store. Automatic downloading is based on iTunes in the Cloud availability by country, and previous purchases may be unavailable if they have been refunded or are no longer available in the store.
• Photos and videos in your Camera Roll
• Device settings
• App data
• Home screen and app organization
• iMessage, text (SMS), and MMS messages
• Ringtones
• Visual Voicemail

Your iOS device backup only includes data and settings stored on your device. It doesn't include data already stored in iCloud, for example contacts, calendars, bookmarks, mail messages, notes, shared photo streams, My Photo Stream, and documents you save in iCloud using iOS apps and Mac apps.

If the photos on your phone were not in the Camera Roll section, then it is likely they were synced onto your phone from a computer, and therefore, not backed up in iCloud. Thanks for using the Apple Support Communities!

Cheers,

Braden