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As of January 2019
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  January 2019 Accumulated total from January to January 2019
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) 192,756  42,771  89%  99%  192,756  42,771  89%  99% 
Total of primary batteries 83,948  2,211  100%  94%  83,948  2,211  100%  94% 
Zinc carbon 57  #DIV/0!  #DIV/0!  57  #DIV/0!  #DIV/0! 
Alkaline 5,286  105  108%  132%  5,286  105  108%  132% 
Silver oxide 36,041  504  93%  91%  36,041  504  93%  91% 
Lithium 42,444  1,354  104%  85%  42,444  1,354  104%  85% 
Zinc air 120  120 
Others 242  26%  187%  242  26%  187% 
Total of secondary batteries 108,808  40,561  83%  99%  108,808  40,561  83%  99% 
Lead-acid 157  1,102  97%  92%  157  1,102  97%  92% 
Nickel cadmium 741  158  21%  47%  741  158  21%  47% 
Nickel iron 0%  0%  0%  0% 
Nickel metal-hydride 8,978  7,510  74%  113%  8,978  7,510  74%  113% 
Lithium ion 93,870  21,941  88%  86%  93,870  21,941  88%  86% 
Others 5,062  9,849  59%  134%  5,062  9,849  59%  134% 
Total of all batteries (imported) 147,696  23,467  100%  127%  147,696  23,467  100%  127% 
Total of primary batteries 136,984  2,387  99%  116%  136,984  2,387  99%  116% 
Zinc carbon 13,533  153  70%  82%  13,533  153  70%  82% 
Alkaline button 2,857  24  65%  65%  2,857  24  65%  65% 
Alkaline (exc. button type) 102,564  1,326  106%  111%  102,564  1,326  106%  111% 
Silver oxide 165  42%  53%  165  42%  53% 
Lithium 13,263  634  107%  118%  13,263  634  107%  118% 
Zinc air 4,590  96  95%  125%  4,590  96  95%  125% 
Others 11  147  80%  728%  11  147  80%  728% 
Total of secondary batteries 10,711  21,080  120%  128%  10,711  21,080  120%  128% 
Lead-acid 805  3,623  108%  104%  805  3,623  108%  104% 
Nickel cadmium 43  175  57%  110%  43  175  57%  110% 
Nickel iron
Nickel metal-hydride 1,993  394  103%  93%  1,993  394  103%  93% 
Lithium ion 7,768  16,101  130%  146%  7,768  16,101  130%  146% 
Others 102  787  49%  58%  102  787  49%  58% 
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.