"人口ピラミッド" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "人口",
        "3": "ピラミッド",
        "sort": "しんこうぴらみっど'",
        "t1": "population",
        "t2": "pyramid"
      },
      "expansion": "人口 (“population”) + ピラミッド (“pyramid”)",
      "name": "af"
    },
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "population pyramid",
        "nocap": "y",
        "sort": "しんこうぴらみっど'"
      },
      "expansion": "calque of English population pyramid",
      "name": "cal"
    }
  ],
  "etymology_text": "人口 (“population”) + ピラミッド (“pyramid”), calque of English population pyramid",
  "forms": [
    {
      "form": "人口ピラミッド",
      "ruby": [
        [
          "人",
          "じん"
        ],
        [
          "口",
          "こう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jinkō piramiddo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じんこう ピラミッド"
      },
      "expansion": "人(じん)口(こう)ピラミッド • (jinkō piramiddo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Visualization",
          "orig": "ja:Visualization",
          "parents": [
            "Computing",
            "Interdisciplinary fields",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a population pyramid"
      ],
      "id": "en-人口ピラミッド-ja-noun-8dIOeKX3",
      "links": [
        [
          "population pyramid",
          "population pyramid#English"
        ]
      ],
      "wikipedia": [
        "ja:人口ピラミッド"
      ]
    }
  ],
  "sounds": [
    {
      "other": "じんこーピラミッド"
    },
    {
      "ipa": "[d͡ʑĩŋko̞ː pʲiɾa̠mʲid̚d̥o̞]"
    }
  ],
  "word": "人口ピラミッド"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "人口",
        "3": "ピラミッド",
        "sort": "しんこうぴらみっど'",
        "t1": "population",
        "t2": "pyramid"
      },
      "expansion": "人口 (“population”) + ピラミッド (“pyramid”)",
      "name": "af"
    },
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "population pyramid",
        "nocap": "y",
        "sort": "しんこうぴらみっど'"
      },
      "expansion": "calque of English population pyramid",
      "name": "cal"
    }
  ],
  "etymology_text": "人口 (“population”) + ピラミッド (“pyramid”), calque of English population pyramid",
  "forms": [
    {
      "form": "人口ピラミッド",
      "ruby": [
        [
          "人",
          "じん"
        ],
        [
          "口",
          "こう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jinkō piramiddo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じんこう ピラミッド"
      },
      "expansion": "人(じん)口(こう)ピラミッド • (jinkō piramiddo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms calqued from English",
        "Japanese terms derived from English",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters",
        "ja:Visualization"
      ],
      "glosses": [
        "a population pyramid"
      ],
      "links": [
        [
          "population pyramid",
          "population pyramid#English"
        ]
      ],
      "wikipedia": [
        "ja:人口ピラミッド"
      ]
    }
  ],
  "sounds": [
    {
      "other": "じんこーピラミッド"
    },
    {
      "ipa": "[d͡ʑĩŋko̞ː pʲiɾa̠mʲid̚d̥o̞]"
    }
  ],
  "word": "人口ピラミッド"
}