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

Unit: 1,000 (Quantity), million JPY (Amount)
  December 2019 Accumulated total from January to December 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) 193,575  43,898  94%  78%  2,305,303  537,674  90%  90% 
Total of primary batteries 104,358  2,545  112%  99%  1,208,782  30,364  107%  99% 
Zinc carbon 42  706  79 
Alkaline 4,826  86  87%  80%  72,785  1,332  160%  142% 
Silver oxide 56,785  765  121%  117%  567,226  7,387  110%  106% 
Lithium 42,590  1,484  106%  94%  566,845  18,509  99%  90% 
Zinc air 115  69%  67%  1,214  17  127%  165% 
Others 203  100%  98%  3,040  2%  136% 
Total of secondary batteries 89,217  41,352  79%  77%  1,096,521  507,309  76%  89% 
Lead-acid 174  1,191  89%  82%  2,048  14,862  95%  87% 
Nickel cadmium 1,331  146  114%  70%  12,671  1,763  77%  91% 
Nickel iron 2%  70% 
Nickel metal-hydride 13,483  11,079  82%  120%  144,969  116,957  94%  119% 
Lithium ion 64,510  19,370  72%  82%  841,752  223,835  72%  79% 
Others 9,719  9,566  158%  50%  95,081  149,891  95%  90% 
Total of all batteries (imported) 149,252  21,253  97%  105%  1,549,433  230,117  98%  115% 
Total of primary batteries 139,610  1,978  98%  87%  1,444,880  23,390  97%  97% 
Zinc carbon 15,239  156  77%  67%  161,421  1,731  92%  90% 
Alkaline button 4,220  35  81%  86%  29,004  221  90%  91% 
Alkaline (exc. button type) 101,426  1,230  101%  93%  1,050,727  13,245  99%  97% 
Silver oxide 123  88%  101%  1,639  59  75%  83% 
Lithium 12,282  418  89%  74%  140,127  6,388  92%  97% 
Zinc air 6,316  118  158%  120%  61,831  1,293  101%  119% 
Others 15  17%  76%  131  454  44%  71% 
Total of secondary batteries 9,642  19,275  92%  107%  104,553  206,726  100%  117% 
Lead-acid 756  3,451  105%  101%  8,311  36,670  104%  98% 
Nickel cadmium 13  136  31%  128%  733  1,684  104%  101% 
Nickel iron 0%  0% 
Nickel metal-hydride 2,919  494  125%  114%  23,451  4,752  98%  98% 
Lithium ion 5,888  14,322  82%  108%  70,874  154,882  100%  129% 
Others 67  872  39%  116%  1,184  8,738  78%  71% 
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.