Database
[{id:"111",tags:[222,333,444,555]},{id:"222",tags:[312,345,534]},{id:"333",tags:[111,222,333,444,555]},]
Query
db.collection.aggregate([{$facet:{totalDoc:[{$group:{_id:null,count:{$sum:1}}}],allDocuments:[{$project:{tags:1}}]}},{$addFields:{totalDoc:{"$arrayElemAt":["$totalDoc",0]}}},{$unwind:"$allDocuments"},{$addFields:{sizeGtDoc:{$gt:[{$size:"$allDocuments.tags"},"$totalDoc.count"]}}},{$match:{sizeGtDoc:true}},{"$replaceRoot":{"newRoot":"$allDocuments"}}])