How about by culture?

Chinese, ancient (pre Qin/Han): 14 (spears, polearms, swords, dagger, stone axes)
Chinese, early modern (Ming/Qing): 23 (spears, polearms, knives, bows, swords, truncheons)
Chinese, Republican: 3
Korean, Three Kingdoms (approx Dark Ages): 1
Korean, early modern: 2 (sword, knife)
Japanese, medieval: 2 (sword, bow)
Japanese, Warring States/Edo: 17 (spear, polearms, swords, daggers, truncheons)
Central Asian: 6 (bows, knives)
Persian, medieval: 1
Indian, 18th/19th century: 16 (swords, spears, saintie, ankus, axes)
Celtic: 1
Roman: 1
Greek: 1
Viking: 6 (spears, axe, swords)
European, medieval: 7 (poleams, swords, daggers)
European, early modern: 10 (polearms, swords, dirks)
European, modern (c. 1850 onwards): 4 (swords, dirks)
American, colonial-modern: 5 (sword, knives)
Incan: 3 (slings)
Indonesian/Malaysia/Philippines: 16 (swords, kris, knives, spears)
Thai/Burmese: 2
Polynesian: 3 (clubs)
African, sub-Saharan: 19 (swords, spears, axe)
North African: 4 (dagger, knives)

Timo,
I'd actually thought about doing a thread like this, I just hadn't gotten around to it yet. :)

My collection is pretty focused:

European medieval: 18
17th/18th century Scottish: 3

All European or American.

The wife has a Katana/wakizashi, but I won't claim those - that's her thing :)

ok here we go...
edo period japanese 1 pair of sai, 2 nunchuku. a set of katana, wakizashi and tanto. and a Bo staff.plus a bokken and shinai
chinese, 4. 3 jian, and one dao.
scandinavian viking, 2
norman 1
rus 2
byzantine 2
multi period 1 (gambeson)

Timo,
There's values to both ways, so I'm happy to see both. :)

European medieval: 22
Japanese: 7
Chinese: 3
Native American: 5
European Renaissance: 5
Middle Eastern: 1

Swords only....

Bronze Age: 6
Ancient Greece (Iron Age): 4
Celtic Iberia: 3
Celtic/Gallic: 3
Roman: 12
Migration Era: 4
Viking: 9
Scottish (1300's to 1600's): 6
Scottish (1600's to 1800's): 10
Irish (Medieval): 1
Medieval (other): 5
English Civil War: 1
Rapier: 1
Smallsword: 1
Fantasy/Other: 2
Modern (1900's) Dress swords: 2

All my current swords fall into the medieval European period. I have a migration period sword on order.

Swords only:

Near-east copper age: 1
European bronze age: 6
Medieval: 2
Indian: 2
Dutch East Indies: 2
Indonesian: 1
European 1900's: 1
Modern: 1

Modern repros

Scandinavian viking age swords: 1
Scandinavian viking age Large brokenback Seax: 1
Scandinavian viking age Medium sized brokenback Seax: 1
Scandinavian viking age Small bearded crafts axe: 1
Scandinavian viking age One handed viking war axe: 1
Scandinavian viking age ashwood shaft War spear: 1

Medieval europe, 15th century Bullock dagger (from Tod kit): 1



Original artifacts and antiques

Europeean 18th century long socket axe head: 1
Europeean 19th century hand forged bowl Adze: 1
Europeean Mauser bayonet: 1

Swedish 17th-18th century rapier, from Wira bruk: 1

Russian 1858 marine saber: 1

Middle East, Yemen, Jambiya (20th century): 1

Asia, Nepal, Huge Khukri: 1
Asia, Nepal, Medium sized Khukri:1

Now, daggers/dirks/cultural knives/seaxes:

Roman: 6
Scottish: 10
Viking/Saxon/Migration era: 6
Renaissance: 1
Finnish: 5