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As of January 2017
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  January 2017 Accumulated total from January to January 2017
Quantity Amount y-o-y change in quantity y-o-y change in amount Quantity Amount y-o-y change in quantity y-o-y change in amount
Total of all batteries (exported) 171,175  35,032  95%  104%  171,175  35,032  95%  104% 
Total of primary batteries 64,803  1,896  73%  87%  64,803  1,896  73%  87% 
Zinc carbon 5%  11%  5%  11% 
Alkaline 1,868  46  110%  91%  1,868  46  110%  91% 
Silver oxide 26,601  377  62%  69%  26,601  377  62%  69% 
Lithium 36,334  1,402  83%  88%  36,334  1,402  83%  88% 
Zinc air
Others 70  #DIV/0!  #DIV/0!  70  #DIV/0!  #DIV/0! 
Total of secondary batteries 106,372  33,136  115%  105%  106,372  33,136  115%  105% 
Lead-acid 145  1,068  99%  105%  145  1,068  99%  105% 
Nickel cadmium 1,987  166  71%  66%  1,987  166  71%  66% 
Nickel iron
Nickel metal-hydride 9,866  5,150  83%  103%  9,866  5,150  83%  103% 
Lithium ion 88,340  21,806  123%  110%  88,340  21,806  123%  110% 
Others 6,035  4,946  101%  91%  6,035  4,946  101%  91% 
Total of all batteries (imported) 118,653  14,445  64%  94%  118,653  14,445  64%  94% 
Total of primary batteries 110,065  2,016  62%  72%  110,065  2,016  62%  72% 
Zinc carbon 15,758  198  80%  101%  15,758  198  80%  101% 
Alkaline button 2,504  19  72%  70%  2,504  19  72%  70% 
Alkaline (exc. button type) 72,450  1,011  108%  107%  72,450  1,011  108%  107% 
Silver oxide 145  83%  104%  145  83%  104% 
Lithium 14,295  533  129%  105%  14,295  533  129%  105% 
Zinc air 4,871  100  91%  123%  4,871  100  91%  123% 
Others 42  149  43%  267%  42  149  43%  267% 
Total of secondary batteries 8,587  12,428  109%  99%  8,587  12,428  109%  99% 
Lead-acid 777  3,394  126%  135%  777  3,394  126%  135% 
Nickel cadmium 70  126  53%  74%  70  126  53%  74% 
Nickel iron 8960%  193%  8960%  193% 
Nickel metal-hydride 2,371  471  115%  98%  2,371  471  115%  98% 
Lithium ion 5,236  7,286  117%  90%  5,236  7,286  117%  90% 
Others 127  1,150  20%  95%  127  1,150  20%  95% 
Total values may differ because they are rounded off to the nearest integer.

As of 2012, the "Others" category of imported secondary batteries has been separated into Nickel metal-hydride, Lithium ion and Others.
As of 2016, the "Alkaline" category of imported primary batteries has been separated into "Alkaline button" and "Alkaline (exc. button type)" categories.