According to All Facebook, based on the number of interactions (i.e. the number of times followers have interacted with the Facebook page), these are the top 20 most engaging...
About: Zynga Facebook game Empires & Allies
Number of likes: 33,457,567
Number of interactions: 348,409
Posts stuff like: Game tactics and secrets
Promo image of Jesus by midiman/Flickr
About: World Wrestling Entertainment
Number of likes: 6,746,310
Number of interactions: 384,905
Posts stuff like: Wrestling videos of WWE stars
18. Im a Muslim & Im Proud
About: A peaceful page on the love for Allah
Number of likes: 6,558,354
Number of interactions: 388,309
Posts stuff like: "It's a misconception that calling people to Islam is only the job of religious people or scholars. It's every-bodies job to call and invite non-muslims to this beautiful religion of Islam. In FACT it is compulsory upon you to share this religion with non-Muslims. The question is in what way you do this. Dawah can take various shapes such as emails, one to one conversations, letters or even public lectures."
17. Club Atletico Boca Juniors
About: Professional soccer team from Argentina
Number of likes: 2,552,553
Number of interactions: 405,648
Posts stuff like: News articles and videos about the team
16. Lord Ganesha
About: Indian God Ganesh
Number of likes: 1,613,330
Number of interactions: 411,806
Posts stuff like: Ganesh photos
15. Joyce Meyer Ministries
About: Non-profit organization impacting the world for Christ
Number of likes: 1,548,803
Number of interactions: 414,800
Posts stuff like: "We need to have an attitude of gratitude!"
14. Barack Obama
About: Obama for America campaign
Number of likes: 23,288,779
Number of interactions: 416,910
Posts stuff like: "The President values the chance to sit down with supporters. That's why he's hosting another Dinner with Barack--have you entered for your shot at being one of the four people who will have a meal with him this fall?"
13. Lil Wayne
About: Rapper from New Orleans
Number of likes: 31,482,037
Number of interactions: 443,723
Posts stuff like: "Chillin"
12. eN KapAK NiCkLEr
About: Something Turkish
Number of likes: 1,264,113
Number of interactions: 449,998
Posts stuff in Turkish
11. MTV Roadies
About: TV show on MTV India
Number of likes: 3,100,675
Number of interactions: 463,016
Posts stuff like: "You would've obviously tried being a Guitarist on our MTV Unplugged (India) website. Now you can play the Indian National Anthem by just watching this video!"
About: Spreading the message of Islam
Number of likes: 6,458,710
Number of interactions: 535,562
Posts stuff like: "Nothing recharges the spiritual battery of the heart as swiftly and effectively as does reciting the Qur'an with concentration & humility. Try it right now & experience the wonderful feeling!"
9. Jesus Christ
About: Glory and praise of Jesus Christ
Number of likes: 3,063,127
Number of interactions: 582,936
Posts stuff like: "I'm so lost right now... I need help from God."
8. FC Barcelona
About: Professional Spanish soccer club
Number of likes: 20,708,331
Number of interactions: 641,917
Posts stuff like: "Guardiola expects fantastic game"
7. Real Madrid C.F.
About: Professional Spanish soccer club
Number of likes: 19,881,721
Number of interactions: 663,669
Posts stuff like: "Cristiano Ronaldo: 'We slept at the start, but eventually woke up'"
6. Dios Es Bueno!
About: Jesus being good - in Spanish
Number of likes: 4,289,300
Number of interactions: 683,710
Posts stuff like: "
5. Manchester United
About: Professional English soccer club
Number of likes: 19,493,118
Number of interactions: 831,443
Posts stuff like: "Click 'Like' if you think United will be victorious tomorrow away against Stoke."
4. Justin Bieber
About: Pop star Justin Bieber
Number of likes: 36,227,187
Number of interactions: 866,457
Posts stuff like: "just finished a late nt in the studio for the christmas album...it is OFFICIAL...my big bro @UsherRaymondIV is on the album with me! #EPIC"
3. The Bible
About: The Word of God, every day
Number of likes: 8,191,827
Number of interactions: 943,825
Posts stuff like: "'Woe to those who call evil good and good evil, who put darkness for light and light for darkness, who put bitter for sweet and sweet for bitter.' -Isaiah 5:20"
2. Mario Teguh
About: Indonesian motivator Mario Teguh
Number of likes: 4,796,730
Number of interactions: 1,447,597
Posts stuff like: Inspirational quotes from Teguh
1. Jesus Daily
About: Jesus and inspirational Christian quotes
Number of likes: 8,674,121
Number of interactions: 4,305,412
Posts stuff like: "What are you thankful for today?"