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

Unit: 1,000 (Quantity), million JPY (Amount)
  March 2017 Accumulated total from January to March 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) 257,376  49,954  111%  114%  647,253  127,331  106%  109% 
Total of primary batteries 107,527  2,766  123%  114%  266,916  7,243  104%  105% 
Zinc carbon 1750%  1293%  63%  52% 
Alkaline 2,632  55  262%  216%  6,089  145  153%  127% 
Silver oxide 55,146  650  143%  131%  128,888  1,598  112%  108% 
Lithium 49,749  2,024  104%  107%  131,680  5,323  96%  102% 
Zinc air 0%  0%  254  131%  119% 
Others 33  10%  240%  170  270%  161% 
Total of secondary batteries 149,849  47,188  104%  114%  380,337  120,088  107%  110% 
Lead-acid 221  1,538  121%  137%  549  3,883  111%  120% 
Nickel cadmium 2,303  260  55%  74%  6,223  624  64%  75% 
Nickel iron
Nickel metal-hydride 13,605  8,137  91%  128%  36,708  20,478  94%  120% 
Lithium ion 127,652  30,022  108%  106%  317,613  76,798  111%  106% 
Others 6,067  7,232  89%  135%  19,244  18,305  104%  114% 
Total of all batteries (imported) 146,176  14,161  120%  107%  379,688  40,350  113%  99% 
Total of primary batteries 138,061  2,088  121%  115%  356,143  5,889  114%  112% 
Zinc carbon 19,872  177  155%  121%  49,822  539  114%  115% 
Alkaline button 3,849  28  91%  81%  8,299  67  75%  78% 
Alkaline (exc. button type) 97,226  1,321  121%  119%  244,579  3,360  119%  116% 
Silver oxide 114  59%  59%  286  10  49%  57% 
Lithium 12,070  450  113%  108%  39,333  1,424  115%  104% 
Zinc air 4,929  87  88%  105%  13,780  296  80%  111% 
Others 21  246%  107%  45  192  43%  151% 
Total of secondary batteries 8,115  12,073  103%  106%  23,545  34,461  100%  97% 
Lead-acid 758  3,376  122%  121%  2,206  9,659  122%  121% 
Nickel cadmium 60  115  60%  71%  203  436  60%  88% 
Nickel iron 8960%  193% 
Nickel metal-hydride 1,967  425  97%  90%  6,626  1,298  97%  82% 
Lithium ion 5,197  6,970  110%  102%  14,205  19,717  108%  90% 
Others 132  1,187  31%  106%  299  3,350  22%  93% 
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.