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As of July 2020
Monthly battery export and import statistics
(source: Trade statistics released by the Ministry of Finance, Japan)

Unit: 1,000 (Quantity), million JPY (Amount)
  July 2020 Accumulated total from January to July 2020
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) 165,247  47,318  70%  96%  1,161,437  266,101  87%  84% 
Total of primary batteries 59,738  1,861  54%  74%  589,153  15,837  82%  89% 
Zinc carbon 147  12 
Alkaline 7,586  127  136%  117%  57,593  1,000  132%  123% 
Silver oxide 18,721  338  32%  48%  239,016  3,432  72%  80% 
Lithium 33,430  1,146  72%  80%  291,890  9,623  87%  90% 
Zinc air 0%  4%  504  55%  43% 
Others 250  19%  101%  1,764  64%  90% 
Total of secondary batteries 105,509  45,457  83%  97%  572,284  250,264  93%  83% 
Lead-acid 129  912  74%  74%  866  5,994  74%  68% 
Nickel cadmium 564  81  28%  33%  4,723  673  70%  69% 
Nickel iron 0%  0%  250%  383% 
Nickel metal-hydride 11,897  8,096  90%  95%  82,699  53,265  101%  85% 
Lithium ion 83,198  26,567  81%  119%  418,301  128,966  88%  99% 
Others 9,721  9,801  109%  68%  65,696  61,365  132%  63% 
Total of all batteries (imported) 168,548  17,507  135%  80%  912,271  126,126  108%  92% 
Total of primary batteries 160,759  2,471  139%  127%  855,238  13,522  109%  104% 
Zinc carbon 15,124  152  110%  104%  90,837  938  109%  107% 
Alkaline button 6,800  51  398%  374%  27,837  210  178%  174% 
Alkaline (exc. button type) 114,697  1,377  136%  127%  613,115  7,522  108%  105% 
Silver oxide 125  77%  61%  1,039  39  118%  116% 
Lithium 17,177  615  164%  103%  80,766  3,565  100%  96% 
Zinc air 6,827  131  140%  188%  41,605  885  117%  115% 
Others 141  10763%  598%  40  362  57%  117% 
Total of secondary batteries 7,789  15,036  84%  76%  57,032  112,604  92%  91% 
Lead-acid 667  3,126  93%  104%  4,831  22,142  103%  106% 
Nickel cadmium 57  98  79%  73%  367  806  89%  84% 
Nickel iron
Nickel metal-hydride 2,304  423  117%  117%  14,286  2,608  109%  94% 
Lithium ion 4,712  10,628  73%  68%  37,146  80,612  86%  85% 
Others 48  761  47%  108%  403  6,435  51%  131% 
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.